• Check if the keyboard is well connected.
  • If you are using a wired keyboard, check if it is connected to your computer correctly or try to connect the keyboard to another compatible connector on your computer.
  • If you are using a wireless keyboard, ensure that your keyboard is powered on. Check if the dongle is connected to your computer correctly or the Bluetooth connection with your computer is established.
• Check if the keyboard is in good status:
  1. Type device manager in the Windows search box and then press Enter.
  2. Click Device Manager from the list of results. The Device Manager window opens.
  3. Click arrow icon > next to Keyboard to expand the section.
  4. Double-click the keyboard that is not working and check the status.
  5. If it is not working properly, select Driver from the tabs on the top and click Uninstall device to uninstall the device.
  6. Apply Windows Update to install the latest driver automatically.
• Ensure that the sticky keys and filter keys are disabled. To disable the keys:
  1. Open the Start menu, and click Settings ➙ Accessibility ➙ Keyboard.
  2. Disable Sticky keys switch and Filter keys switch.
• Clean the keyboard.
  • To clean the externally connected keyboard:
    1. Disconnect your keyboard.
    2. Turn the keyboard upside down and gently shake it.
    3. Use compressed air to blow out the dirt and debris from underneath the keys.
    4. Use a cotton swab dipped in rubbing alcohol to remove stickiness around and underneath stuck keys.
  • To clean the internal keyboard:
    1. Turn off your computer.
    2. Use compressed air to blow out the dirt and debris from underneath the keys.
    3. Use a cotton swab dipped in rubbing alcohol to remove stickiness around and underneath stuck keys.
• Restart your computer.

If the problem persists, call Lenovo Customer Center for help. For a list of the latest numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

• Your keyboard backlight might be turned off or the backlight level might be low. To turn on or adjust the keyboard backlight, press Fn+space key to toggle among backlight on, backlight brighter and backlight off.
• Your keyboard driver might be uninstalled or out-of-date. To update the keyboard driver:
  1. Type device manager in the Windows search box and then press Enter.
  2. Click Device Manager from the list of results. The Device Manager window opens.
  3. Click arrow icon > next to Keyboard to expand the section.
  4. Right-click the keyboard you would like to update.
  5. Select Update driver and follow the on-screen instructions.

If the problem persists, call Lenovo Customer Center for help. For a list of the latest numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

• Your USB cable might be disconnected or have poor connection:
  • Check if the cable is connected properly to your computer.
  • Check if there are debris in your USB connector.
• Your USB connector might be broken. Try using a different one on your computer.
• If you are using a USB connector for charging but it does not work, the USB connector might transfer data only. Ensure that your USB connector supports charging function.
• Your USB selective suspend setting might be enabled. To disable the setting:
  1. Type power plan in the Windows search box and press Enter.
  2. Click Edit power plan ➙ Change advanced power settings.
  3. Double-click USB settings ➙ USB selective suspend setting to expand the menu.
  4. Disable On battery and Plugged in and click Apply.
  5. Restart your computer.
• Your computer might have some internal errors. Restart your computer.
• Your USB driver might be uninstalled or out-of-date. To update the driver:
  1. Type device manager in the Windows search box and then press Enter.
  2. Click Device Manager from the list of results. The Device Manager window opens.
  3. Click arrow icon > next to Universal Serial Bus controllers to expand the section.
  4. Right-click the USB device you would like to update.
  5. Select Update driver and follow the on-screen instructions.

If the problem persists, call Lenovo Customer Center for help. For a list of the latest numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

• You can recover data by using command line.
  1. Connect the USB drive to your computer.
  2. Press Windows key+R to launch Windows Explorer.
  3. Type CMD in the search box and press Enter.
  4. Type chkdsk E: /f and press Enter.
     Note: Replace E with your actual USB drive letter.
  5. Type ATTRIB -H -R -S /S /D E:*.* and press Enter.
     Note: Replace E with your actual USB drive letter.
  6. Wait for the process to finish.

All the recovered files will be in a new folder on your USB drive after the process is complete.

Note: These files names might be with the extension “.chk”. You can change it into the original extension, for example, “.jpg” , and save the files to another location.

• If you have created a recovery USB drive as a backup for the Windows recovery programs, you can recover data by restoring to a previous version.
  1. Connect the USB drive to your computer and enter This PC.
  2. Right-click your USB drive and select Properties.
  3. Click Previous Versions and select an available previous version.
  4. Click Restore to and choose a new location to save the files.
• You can recover data by using a reliable USB data recovery tool.

If the problem persists, call Lenovo Customer Center for help. For a list of the latest numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Attention: The process of creating a recovery drive deletes all the data stored on the USB drive, including the data stored in a hidden folder.

1. Prepare a USB drive (at least 32 GB of storage).
2. Type Create a recovery drive in the Windows search box and then select it.
3. Ensure that Back up system files to the recovery drive is selected and then click Next.
4. Connect the USB drive to your computer, select it and then click Next.
5. Click Create to start the recovery drive creation process.

If your computer cannot recognize the battery, let’s try the following steps:

• Ensure that the ac power adapter, power cord, power connector, and the power outlet are working correctly.
• Restart the computer.
  • For models with an emergency reset hole: Insert a straightended paper clip into the emergency reset hole to cut off power supply temporatily. Then, restart the computer with ac power connnected.
  • For models without an emergence reset hole, disconect all power sources. Press and hold the power button for about seven seconds. Then, reconnect to ac power and restart the computer.
• Update the battery driver to the latest vesion. For details, refer to “Driver problems” in this User Guide.
• Update UEFI BIOS to the latest version. For details, refer to “UEFI BIOS problems” in this User Guide.

If the problem persists, call Lenovo Customer Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

If your laptop battery is discharging quickly, let’s try the following steps:

• Terminate any power-consuming settings, operations, or running apps, such as:
  • Decrease the screen brightness
  • Turn off the keyboard backlight
  • Disconnect unnecessary peripheral devices
• Ensure your computer is not set to high performance mode, which can consume more power. To change the settings:
  1. Click the quick settings area on the right side of the taskbar.
  2. Click the battery icon to change the settings.
• Reset the battery gauge, which can help estimate the full charge capacity more accurately. To change the settings:
  1. Open the Vantage app, and then click Device ➙ Power.
  2. Follow the on-screen instructions to reset the battery gauge.
• Update the battery driver to the latest vesion. For details, refer to “Driver problems” in this User Guide.
• If your laptop’s battery is old or drained, consider replacing the battery.

If the problem persists, call Lenovo Customer Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Ensure that your computer supports the fingerprint recognition. And then try the solutions in the order below:

• Restart the computer.
• Disconnect all power sources, and insert a straightened paper clip into the emergency reset hole for three to five seconds to cut off power supply temporarily. If your computer does not have the emergency reset hole, press and hold the power button for about seven seconds. Then start your computer again.
• Check the fingerprint device driver. To do this:
  1. Type device manager in the Windows search box.
  2. Click Device Manager from the list of results. The Device Manager window opens.
  3. Click arrow icon > next to Biometric devices to expand the section.
     • If there is no fingerprint device, it might be a fingerprint reader failing problem, and you might need to have the fingerprint reader serviced. You can call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.
     • If there is a yellow exclamation mark next to the fingerprint device, update the fingerprint reader driver:
       1. Download the latest driver from Lenovo support website. For how to download the driver, refer to “Driver problems” in this User Guide.
       2. In the Biometric devices section of the Device manager, right-click the fingerprint device, and then click Update driver.
       3. In the Update Drivers window, click Browse my computer for drivers.
       4. Browse to the folder where the latest fingerprint driver is stored. Double-click to run the driver and then follow the on-screen instructions to update the driver.
       5. Restart your computer.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

The fingerprint reader driver on your computer might not be the latest. To update the fingerprint reader driver:

1. Download the latest driver from Lenovo support website. For how to download the driver, refer to “Driver problems” in this User Guide.
2. Update the fingerprint reader driver.
   1. Type device manager in the Windows search box.
   2. Click Device Manager from the list of results. The Device Manager window opens.
   3. Click arrow icon > next to Biometric devices to expand the section.
   4. Right-click the fingerprint driver, and then click Update driver.
   5. In the Update Drivers window, click Browse my computer for drivers.
   6. Browse to the folder where the latest fingerprint driver is stored. Double-click to run the driver and then follow the on-screen instructions to update the driver.
3. Restart your computer, and then enroll again.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

During fingerprint recognition, ensure that you use the correct finger, and keep the fingertip and the surface of the fingerprint reader clean. If the problem persists, try the solutions in the order below:

• Remove the fingerprint, and enroll again. To do this:
  1. Click Start ➙ Settings ➙ Accounts ➙ Sign-in options ➙ Fingerprint recognition (Windows Hello).
  2. Click Remove to remove the fingerprint. No matter how many fingers have been set, you only need to remove once.
  3. Enroll the fingerprint again. For how to enroll the fingerprint, refer to fingerprint recognition topic in this User Guide.
     Note: During the enrollment, it is recommended that you follow the on-screen instructions to enroll the full image of your fingerprint.
• Update the fingerprint driver and enroll again. To do this:
  1. Download the latest driver from Lenovo support website. For how to download the driver, refer to “Driver problems” in this User Guide.
  2. Remove the fingerprint.
     1. Click Start ➙ Settings ➙ Accounts ➙ Sign-in options ➙ Fingerprint recognition (Windows Hello).
     2. Click Remove to remove the fingerprint. No matter how many fingers have been set, you only need to remove once.
  3. Update the fingerprint driver.
     1. Type device manager in the Windows search box.
     2. Click Device Manager from the list of results. The Device Manager window opens.
     3. Click arrow icon > next to Biometric devices to expand the section.
     4. Click the fingerprint driver, right-click, and then click Update driver.
     5. Browse to the folder where the latest fingerprint driver is stored. Double-click to run the driver and then follow the on-screen instructions to update the driver.
     6. Restart your computer.
  4. Enroll the fingerprint again. For how to enroll the fingerprint, refer to fingerprint recognition topic in this User Guide.
     Note: During the enrollment, it is recommended that you follow the on-screen instructions to enroll the full image of your fingerprint.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Try the solutions in the order below:

• If there is a power switch on your mouse, ensure that it is turned on.
• If you are using a wireless mouse:
  • Ensure that the battery power is enough for working.
  • If it is connected through a USB dongle, ensure that the USB dongle is connected to a working USB connector of your computer. The USB dongle is usually stored within the battery compartment of the mouse.
  • If it is a Bluetooth mouse, ensure that the Bluetooth connection with your computer is correct. If there is a Bluetooth connection problem, refer to “Bluetooth connection problems” in this User Guide.
• If you are using a wired mouse:
  • Connect it to a working USB connector on your computer correctly.
  • If the mouse still does not work, try to connect another wired mouse that works correctly to the same USB connector. If no problem, try the next solution.
• Update the mouse driver, to do this:
  1. Type device manager in the Windows search box.
  2. Click Device Manager from the list of results. The Device Manager window opens.
  3. Click arrow icon > next to Mice and other pointing devices to expand the section.
  4. Right-click the mouse driver, click Update driver, and then follow the on-screen instructions to update the driver.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Try the solutions in the order below:

• Ensure that Bluetooth is supported and enabled on both your computer and your Bluetooth device. To turn on Bluetooth on your computer:
  1. Click the quick settings area on the right side of the taskbar.
  2. In the Bluetooth quick setting, check if Bluetooth is turned on. If not, click the Bluetooth icon to turn it on.
• Restart your Bluetooth device.
• Ensure that your Bluetooth device is charged or has enough power, and is placed within the required Bluetooth connection distance range of your computer.
• Ensure that airplane mode is turned off on your computer. To do this:
  1. Click the quick settings area on the right side of the taskbar.
  2. In the Airplane mode quick setting, check if Airplane mode is turned off. If not, click the Airplane mode icon to turn it off.
• Ensure your Bluetooth device is not too close to other USB devices that are connected to your computer. Unshielded USB devices might interfere with Bluetooth connections.
• Remove your Bluetooth device, and then add it again. To do this:
  1. Click Start ➙ Settings ➙ Bluetooth & devices ➙ Devices.
  2. Click More options of the Bluetooth device you are having problem with.
  3. Click Remove device ➙ Yes to remove the Bluetooth device.
  4. Ensure that the Bluetooth on both your computer and the Bluetooth device are turned on. Ensure that the device is discoverable.
  5. Click the quick settings area on the right side of the taskbar.
  6. Click Manage Bluetooth devices (>) on the Bluetooth quick setting to expand the section.
  7. Click the device when it is displayed on the New devices list, and then follow the on-screen instructions.
• Run the Bluetooth troubleshooter. To do this:
  1. Click Start ➙ Settings ➙ System ➙ Troubleshoot ➙ Other troubleshooters.
  2. Locate the Bluetooth section, click Run and then follow the on-screen instructions.
• Uninstall the driver of the Bluetooth adapter. Windows will automatically install the latest driver. To do this:
  1. Type device manager in the Windows search box.
  2. Click Device Manager from the list of results. The Device Manager window opens.
  3. Click arrow icon > next to Bluetooth to expand the section.
  4. Right-click the Bluetooth device you are having problem with, and then click Uninstall device.
  5. In the Uninstall Device window, confirm that you want to uninstall this device from your system, and then click Uninstall.
  6. After the driver is uninstalled, restart your computer. Windows will automatically install the latest driver.
  7. If Windows does not reinstall the driver automatically, open device manager and click Action ➙ Scan for hardware changes.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

• Visit a different website to check if there is a problem with a specific website.
• Ensure that Wi-Fi is turned on and Airplane mode is turned off. To do this:
  1. Click the quick settings area on the right side of the taskbar.
  2. Check if Wi-Fi is turned on. If not, click the Wi-Fi icon to turn it on.
  3. Check if Airplane mode is turned off. If not, click the Airplane mode icon to turn it off.
• Reconnect to Wi-Fi. To do this:
  1. Click the quick settings area on the right side of the taskbar.
  2. Click Manage Wi-Fi connections (>) on the Wi-Fi quick setting to expand the section.
  3. Click the Wi-Fi network you connected before, and click Disconnect.
  4. Wait a moment, and then click Connect.
• Connect to the network with a different frequency band. Most Wi-Fi routers support both 2.4 GHz and 5 GHz network frequency bands. They appear as two different networks in the list of Wi-Fi networks. If your list of Wi-Fi networks includes these two networks, connect to the one with different frequency band.
• Run the network troubleshooter on your computer to diagnose and solve common network connecting problems. To do this:
  1. Right-click the network icon in the quick settings area on the right side of the taskbar.
  2. Click Diagnose network problems and follow on-screen instructions.
• Restart your modem and wireless router. To do this:
  1. Disconnect your modem and wireless router from power source.
  2. If your modem has a backup battery, remove the battery.
  3. Wait for at least 30 seconds.
  4. If your had removed the backup battery from the modem, install it.
  5. Connect your modem and wireless router to the power source.
  6. Connect to Wi-Fi network on your computer again.
• Disable your wireless network adapter driver and enable it again. To do this:
  1. Type device manager in the Windows search box.
  2. Click Device Manager from the list of results. The Device Manager window opens.
  3. Click arrow icon > next to Network adapters to expand the section.
  4. Right-click the wireless network adapter driver, and then click Disable device.
  5. Click Yes in the window prompted. The wireless network reader driver is disabled.
  6. Right-click the wireless network adapter driver again, and then click Enable device to enable the driver.
• Uninstall your wireless network adapter driver and restart your computer. To do this:
  1. Before uninstalling, download the available driver on a different computer from Lenovo support website and save it to a USB flash drive. For how to download the driver, see “Driver problems” in this User Guide.
  2. Type device manager in the Windows search box.
  3. Click Device Manager from the list of results. The Device Manager window opens.
  4. Click arrow icon > next to Network adapters to expand the section.
  5. Right-click the wireless network adapter driver, and then click Uninstall device.
  6. In the Uninstall Device window, confirm that you want to uninstall this device from your system, and then click Uninstall.
  7. After the driver is uninstalled, restart your computer.
  8. Install the driver you have downloaded.
• Contact your Internet service provider to check if there are any issues with your internet plan or connection.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Follow the instructions to troubleshoot your pen problems.

1. Check if the pen is in low power by tapping the pen to the screen.
2. Charge the pen if the screen does not have response.
3. Re-tap the pen on the screen to check whether it works after the pen has been charged for a while.
   Note: The charging time might vary depending on pen types.
4. Check if the pen has properly established Bluetooth connection with your computer if the pen supports Bluetooth.
   1. Click the quick settings area on the right side of taskbar.
   2. Click the Bluetooth settings and turn on the Bluetooth.
   3. Select the pen in the list displayed and follow on-screen instructions.
5. Update the driver by updating Lenovo Pen Settings, an app preinstalled on your computer, if the pen cannot establish Bluetooth connection with your computer.
6. Try step 4 again to establish Bluetooth connection with your computer.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Try the following steps:

1. Ensure that the power adapter is connected to your computer and the power cord of your computer is plugged into a working electrical outlet.
2. If you are using a power strip or surge protector, ensure it is turned on and working.
3. Press the power button to turn on your computer again.

Try the following solutions:

• Restart your computer. The startup process might be interrupted abnormally. Restart to see if your computer can start up normally:
  1. Shut down your computer by pressing the power button for 10 seconds until the screen turns off.
  2. Wait about 1 minute. Then, press the power button to turn on your computer again.
• Set the drive that the operating system has been installed on as the first boot device. Then, restart your computer. For details, refer to the BIOS related information in this User Guide.
• Recover your Windows operating system. Depending on your specific situation, you can choose from different Windows recovery options. For details, go to https://support.microsoft.com/windows_recovery.
• Recover and restore the UEFI BIOS from the last uncorrupted and secure backup. Then, restart your computer. For details, refer to “UEFI BIOS problems” in this User Guide.
• Reset the UEFI BIOS to factory default settings. Then, restart your computer. For details, refer to “BIOS problems” in this User Guide.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Try the following solutions:

• Fix STOP code errors:
  For details, go to https://support.microsoft.com/stop_code_error.
• Update Windows:
  1. Restart your computer in safe mode. For details, go to https://support.microsoft.com/safe_mode.
  2. Get the latest updates from the Windows Update. For details, go to https://support.microsoft.com/windows_update.
  3. Restart your computer.

If the problem persists, call Lenovo Customer Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Follow below instructions to change your Windows password.

1. Type Sign-in options in the Windows search box and press Enter.
2. Select Password ➙ Change and follow on-screen instructions to change the password.

Follow below instructions to reset your Windows password.

• Do the following if you have set security questions.
  1. Click Reset password on the sign-in screen after you have entered an incorrect password.
     Note: Contact your administrator if you do not see an option to reset your password.
  2. Follow on-screen instructions to reset a new password.
• Do the following if you have created a password reset disk.
  1. Connect a password reset disk to a USB-compatible connector on your computer.
  2. Follow on-screen instructions to reset your password.
• Do the following if you have an administrator account.
  1. Sign in to your computer with the local administrator account.
  2. Follow on-screen instructions to reset your password.

Follow below instructions to find my BitLocker recovery key in Windows.

• In your Microsoft account:
  1. Open a web browser on any device such as mobile phone with internet access.
  2. Sign into your Microsoft account at https://account.microsoft.com/devices/recoverykey.
  3. Follow on-screen instructions to find the recovery key.
• On a printed paper:
  Find out the paper with the record of BitLocker recovery information if you have printed or recorded the recovery key on the paper.
• On a USB flash drive:
  1. Connect the USB flash drive into a USB-compatible connector on your computer.
  2. Follow the on-screen instructions to find the recovery key.
• By your administrator:
  Contact your administrator to have the recovery key if your computer is connected to a domain or signed into an organization using a work or school e-mail account.

For more details, go to https://support.microsoft.com/windows/finding-your-bitlocker-recovery-key-in-windows.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Try the following solutions:

• Wait several seconds to see if it responds properly later.
• Terminate tasks that are not responding.
• Restart your computer.
  • Restart in Windows
    1. Press Ctrl+Alt+Delete at the same time.
    2. Click power icon , then select Restart.
  • Shut down and turn on the computer again
    1. Shut down your computer by pressing the power button for 10 seconds until the screen turns off.
    2. Wait about 1 minute. Then, press the power button to turn on your computer again.

Try the following solutions:

• Restart your computer.
• Cool down your computer.
  Turn off your computer, move it to a cooler place, and let it cool down for at least five minutes.
• Clean up disks in Windows.
  Delete temporary files and free up more drive space on your computer using Disk Cleanup. For details, go to https://support.microsoft.com/disk_cleanup.
• Remove unnecessary programs from the startup programs.
  1. Open the Start menu, and then click Settings ➙ Apps ➙ Startup.
  2. In the Startup section, turn off the switch of programs that are not necessary to start automatically when you log in to Windows.
• Uninstall unnecessary software.
• Scan for viruses and Malware using the anti-virus software that is installed on your computer.
• Change to another power mode with higher performance. For details, go to https://support.microsoft.com/change_the power_mode_for_your_windows_pc.
• Repair missing or corrupted system files using the System File Checker tool. For details, go to https://support.microsoft.com/system_file_checker.
• Update Windows.
  Get the latest updates from the Windows Update. For details, go to https://support.microsoft.com/windows_update.
• Update drivers.
  You can update drivers manually. For details, refer to “Driver problems” in this User Guide.
• Recover your Windows operating system.
  Depending on your specific situation, you can choose from different recovery options. For details, go to https://support.microsoft.com/windows_recovery.
• Use memory module(s) with higher speed.

If the problem persists, call Lenovo Customer Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Try the solutions in the order below.

1. Ensure that you use Lenovo-certified ac power adapter and power cord that are designed for charging with proper wattage. If there are any visible signs of damage, you can purchase a new ac power adapter or power cord at https://www.lenovo.com/accessories.
2. Ensure that the power adapter and power cord are completely and firmly connected to both your computer and a working power outlet.
3. Ensure that the power connector is clean and well-conditioned.
4. Turn off the computer and disconnect the computer from ac power and all connected cables. Wait a few minutes. Then, reconnect to ac power and turn on the computer.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Try the solutions in the order below.

1. Ensure that you use the power adapter with proper wattage. Low-wattage power adapters might cause battery charging problem.
2. Exit any heavy-loading programs and charge the computer again. To check the load of programs in process: Press Ctrl+Alt+Delete, and then click Task Manager ➙ Processes.
3. Move your computer to a cool and well-ventilated spot. Battery charging is also affected by its temperature.
4. Reset the battery gauge. To do this:
   1. Open the Vantage app, and then click the menu icon at the top-right corner.
   2. Select Power ➙ BATTERY SETTINGS, and then click RESET in Battery gauge reset section.
5. Update the UEFI BIOS to the latest version. For details, refer to “UEFI BIOS problems” in this User Guide.

If the problem persists, you might need to replace the battery. For details, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Keeping the battery from full charge when battery power is not in heavy use can help extend its lifespan.

If you want to fully charge the battery, try the solutions in the order below.

1. Disable the Smart Charge. To do this:
   1. Open the Vantage app, and then click the menu icon at the top-right corner.
   2. Select Power ➙ BATTERY SETTINGS, and then slide the Smart charge switch to disable the function.
2. Reset the battery gauge. To do this:
   1. Open the Vantage app, and then click the menu icon at the top-right corner.
   2. Select Power ➙ BATTERY SETTINGS, and then click RESET in Battery gauge reset section.
3. Update the UEFI BIOS to the latest version. For details, refer to “UEFI BIOS problems” in this User Guide.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Try the solutions in the order below.

1. Ensure that your computer is compatible with the docking station. To check the compatibility, go to https://www.lenovo.com/accessoriesguide.
2. Use a dry, soft, and lint-free cloth or a piece of absorbent cotton to remove dust from the connectors on the docking station.
3. Use the cable that comes with your computer or the docking station, and ensure it is completely and firmly connected to both devices. If there are any visible signs of damage, you can purchase a new cable at https://www.lenovo.com/accessories.
   Note: If your docking station has a LED indicator, check if it turns to solid white. If not, disconnect the cable and wait 15 seconds. Then, reconnect it to the docking station.
4. Restart your computer to establish a new connection to the docking station.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Try the solutions in the order below.

1. Update the driver to the latest version. For details, refer to “Driver problems” in this User Guide.
2. Update the firmware. To do this:
   1. Go to https://pcsupport.lenovo.com and search by your docking station name.
   2. Select and download the update package you want under Drivers and Software or Drivers and Firmware tab.
   3. Follow the on-screen instructions to manually install the firmware.
      Note: The firmware packages might not be available depending on the docking station.
3. Update the UEFI BIOS to the latest version. For details, refer to “UEFI BIOS problems” in this User Guide.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

The screws of hinges might be loose, or the hinges might be broken.

To solve the problem, you can go to a service center in your area for professional support. To locate the nearest service center, go to https://support.lenovo.com/partnerlocator.

If your touchpad/trackpad is not responding, it might be because you have disabled the touchpad/trackpad or your touchpad/trackpad driver is out-of-date or malfunctioning. To solve the problem, you can try the following solutions.

• Enable the touchpad:
  1. Go to Start ➙ Settings ➙ Bluetooth & devices ➙ Touchpad.
  2. Turn on the Touchpad toggle.
  Note: For some Lenovo computers, you can also press the hotkey marked with or the key combination Fn+M to enable or disable the touchpad.
• Update the touchpad driver:
  1. Type Device Manager in the Windows search box and then press Enter.
  2. Click the arrow icon > next to Human Interface Devices to expand the section.
  3. Right-click the touchpad, select Update driver, and follow the on-screen instructions.
• If a touchpad/trackpad problem occurs after a recent driver update, follow the instructions below to roll back to the previously installed driver:
  1. Type Device Manager in the Windows search box and then press Enter.
  2. Click the arrow icon > next to Human Interface Devices to expand the section.
  3. Right-click the touchpad, and select Properties.
  4. Under Driver, select Roll Back Driver and follow the on-screen instructions.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Go to Start ➙ Settings ➙ Bluetooth & devices ➙ Touchpad. Then, adjust the cursor speed and the touchpad sensitivity.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

It could be caused by the following two reasons.

• Your touch screen is not yet enabled. To enable the touch screen, do the following:
  1. Type device manager in the Windows search box and then press Enter.
  2. Under Human Interface Devices, select HID-compliant touch screen.
  3. Select the Driver tab, select Enable device, and then confirm.
  Note: If there’s more than one HID-compliant touch screen device listed, perform steps 2–3 for each device.
• Your touch screen driver needs to be updated. To update the touch screen driver, do the following:
  1. Type device manager in the Windows search box and then press Enter.
  2. Under Human Interface Devices, select HID-compliant touch screen.
  3. Select the Driver tab and then select Update Driver.
  4. Select Search automatically for drivers and then follow the on-screen instructions to confirm the best available driver is installed.
     Note: If there’s more than one HID-compliant touch screen device listed, perform steps 2–4 for each device.

If you encounter any audio problems, such as no audio or malfunctioning audio, you can try the following solutions to troubleshoot and fix the problems:

• Verify your audio settings:
  1. Go to Start ➙ Settings ➙ System ➙ Sound.
  2. Verify that the sound output and input devices are selected correctly.
     Note: If you are using an external audio device, ensure that the device is properly connected to your computer.
  3. Verify that the volume is properly set and your computer is not muted.
• Run the audio troubleshooter:
  1. Go to Start ➙ Settings ➙ System ➙ Sound.
  2. Under Advanced, find Troubleshoot common sound problems, and click Output devices or Input devices to troubleshoot and fix the problem.

For more solutions to audio problems, go to https://support.lenovo.com/solutions/ht501860.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Blue screen errors can occur if a serious problem causes Windows to shut down or restart unexpectedly.

You can try the Blue Screen Troubleshooter in the Get Help app.

1. Type Get Help in the Windows search box and then press Enter.
2. In the search box of the Get Help app, type Troubleshoot BSOD error.
3. Follow the guided walkthrough.

Black screen issues could be caused by the following two reasons.

• Your Windows needs to be updated. To update the Windows:
  1. Press the Windows logo key+Ctrl+Shift+B to wake your computer from the black screen.
  2. Select the Start menu on the taskbar and then select Settings.
  3. Select Windows Updates and then select Check for updates. If updates are available, download and install them.
• Your mouse and keyboard drivers need to be updated. To update the mouse and keyboard drivers:
  1. Press the Windows logo key+Ctrl+Shift+B to wake your computer from the black screen.
  2. Type device manager in the Windows search box and then press Enter.
  3. Under Keyboards, select HID Keyboard Device.
  4. Select the Power Management tab and then check Allow this device to wake the computer.
  5. Under Keyboards, select HID Keyboard Device, and then select Update driver.
  6. Select Search automatically for drivers and then follow the on-screen instructions to confirm the best available driver is installed.
     Note: If there is more than one HID Keyboard Device listed, perform Steps 3–6 for each device.
  7. Repeat Steps 3–6 for Mice and other pointing devices.
     Note: If there is more than one HID-compliant mouse device listed, perform Steps 3–6 for each device.

If your screen is still black after using shortcuts Windows logo key+Ctrl+Shift+B or restarting your computer, call Lenovo Customer Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Screen flickering is usually caused by a display driver issue or an incompatible app.

To determine whether the display driver or app causes the problem, check to see if Task Manager flickers. To open Task Manager, press Ctrl+Alt+Delete or Ctrl+Shift+Esc.

• If Task Manager also flickers, the display driver is probably causing the problem. In this scenario, roll back your display driver:
  1. Type device manager in the Windows search box and then press Enter.
  2. Under Display adapters, select a display adapter.
  3. Select the Driver tab and then select Roll Back Driver.
  4. Click Yes to roll back your display driver and restart your computer.
  Note: If the Roll Back Driver option is unavailable, Windows does not have a previous driver to roll back to. In this scenario, you can try updating or uninstalling your display driver in the Driver tab.
• If Task Manager does not flicker, an incompatible app is probably causing the problem. In this scenario, update or uninstall an incompatible app:
  1. Check if any app needs to be updated from the Microsoft Store or the manufacturer’s site.
  2. If step 1 does not work, uninstall the app:
     1. Select the Start menu on the taskbar and then select Settings.
     2. Select Apps ➙ Installed apps.
     3. Scroll down the list, find the app you want to uninstall, and then select Uninstall.
     4. In the popup window, select Uninstall.
     5. If you're asked to confirm your choice, select Yes.
        Note: Check in the recently used app if screen flickering usually occurs in a specific app. If yes, prioritize uninstalling that app.
     After uninstalling an app, restart your computer and check if the screen flickering issue is resolved. If the issue retains, uninstall each app one by one until the issue is resolved.

If the external monitor connected to your computer suddenly stops working and reconnecting it to your computer does not help, you can try the following solutions.

• Update the display driver：
  1. Type Device Manager in the Windows search box, and then press Enter.
  2. Click the arrow icon > next to Display adapters to expand the section.
  3. Right-click your display adapter, select Update driver, and follow the on-screen instructions.
• If a display problem occurs after a recent driver update, roll back to the previously installed driver:
  1. Type Device Manager in the Windows search box and then press Enter.
  2. Click the arrow icon > next to Display adapters to expand the section.
  3. Right-click the display driver, and select Properties.
  4. Under Driver, select Roll Back Driver and follow the on-screen instructions.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

Try the following methods to increase the display brightness:

• Press the hotkey to increase the display brightness.
• Go to Start ➙ Settings ➙ System ➙ Display, and move the Brightness slider to the right.
• Click the quick settings area on the right side of the taskbar to open the quick settings panel, and then move the Brightness slider to the right.

If none of those methods work, you can try to fix the display driver. For details, refer to “What should I do if the external monitor stops working” in this User Guide.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

1. Check running applications or background processes. You can type Task Manager in the Windows search box and press Enter. Then, terminate power-consuming applications or processes that are not in use to reduce fan noises.
2. Check your computer operation mode. The noise might be caused by high fan speed. You can adjust your computer operation mode to the proper one:
   • For computer models with the intelligent cooling feature, power efficiency mode or balanced mode is preferred. For details, see “Intelligent cooling” in this User Guide.
   • For computer models with the system operation modes feature, power saving (quiet) mode or auto (balanced) mode is preferred. For details, see “System operation modes” in this User Guide.
3. Check if your operating system and device drivers are the latest version. Outdated operating system or device drivers might cause fan overload, resulting in the abnormal noise. You can update the operating system or device drivers to the latest version. For details, see “OS problems” or “Driver problems” in this User Guide.
4. If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

1. Improve airflow. Ensure that the vents of your computer are not covered and there is enough airflow to keep the computer cool. Avoid using the computer on a soft surface, such as a bed or couch. It is recommended to use the computer on a table or lap desk in a cool room.
2. Check your computer operation mode. The overheat might be caused by high computer performance. You can adjust your computer operation mode to the proper one:
   • For computer models with the intelligent cooling feature, power efficiency mode or balanced mode is preferred. For details, see “Intelligent cooling” in this User Guide.
   • For computer models with the system operation modes feature, power saving (quiet) mode or auto (balanced) mode is preferred. For details, see “System operation modes” in this User Guide.
3. Check running applications or background processes. You can type Task Manager in the Windows search box and press Enter. Then, terminate power-consuming applications or processes that are not in use to reduce heat.
4. If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

You can install a Windows operating system to fix issues like slow system operation, frequent system crash, virus infection, insufficient disk space, and so on. Follow the instructions to install a Windows operating system to return your computer to a cleaner state.

Microsoft^® constantly makes updates to the Windows operating system. Before installing a particular Windows version, check the compatibility list and the minimum system requirements for the Windows version. For details, go to https://support.lenovo.com/solutions/ht512575.

Attention:

• It is recommended that you update your operating system through official channels. Any unofficial update might cause security risks.
• The process of installing a new operating system deletes all the data on your internal storage drive, including the data stored in a hidden folder.
• Before installing or upgrading a particular Windows version, make a backup copy of all the data that you want to keep.

Prerequisite

1. For models with a Trusted Platform Module, if you are using the Windows BitLocker® Drive Encryption feature, ensure that you have disabled the feature. You can re-enable the feature after the operating system installation is complete.
2. Ensure that the security-related features (Security Chip, Virtualization, and Secure Boot) are enabled. To access the security-related features in the UEFI BIOS menu:
   1. Restart the computer. When the logo screen is displayed, do one of the following to enter the UEFI BIOS menu depending on your computer model:
      • For ThinkPad and ThinkBook computers: Press F1.
      • For Yoga and IdeaPad computers: Press F2.
   2. Select Security and select the security-related features. Then, press Enter. Ensure that the security- related features are enabled.
   3. Press F10 to save the settings and exit.
3. Network connection and ac power connection are required during the whole process.

Install a Windows operating system

1. Connect the drive that contains the operating system installation program to the computer.
   To create the installation media, refer to https://support.microsoft.com/windows .
2. Restart the computer. When the logo screen is displayed, do one of the following to enter the UEFI BIOS menu depending on your computer model:
   • For ThinkPad and ThinkBook computers: Press F1.
   • For Yoga and IdeaPad computers: Press F2.
3. Do one of the following depending on your computer model:
   • For ThinkPad computers: Select Startup ➙ Boot to open the Boot Priority Order submenu.
   • For ThinkBook, Yoga, and IdeaPad computers: Select Boot.
4. Change the startup sequence:
   1. Select the drive that contains the operating system installation program. Do one of the following depending on your computer model:
      • For ThinkPad computers: Such as USB HDD. Then, press Esc.
      • For ThinkBook, Yoga, and IdeaPad computers: Such as USB Boot. Then, press Esc.
   2. Press F10 to save the setting and exit.

      Attention: After you change the startup sequence, ensure that you select the correct device during a copy, save, or format operation. If you select the wrong device, the data on that device might be erased or overwritten.

      Note: If the system cannot boot from the selected drive, disable Secure Boot and try again. Ensure that you re-enable the feature after the operating system installation is complete.

5. Follow the on-screen instructions to install the device drivers and necessary programs.

1. Read the error message to figure out the specific cause.
2. Check if the installation media works well.
3. Check if BIOS settings are correct and ensure that UEFI BIOS on your device is up-to-date.
4. Check if the available disk space of your computer meets the requirement of the new Windows version.
5. Check antivirus and firewall settings: If you had antivirus software or a firewall installed on the previous system, these features might interfere with the system installation. Temporarily disable the antivirus functionality within the BIOS before attempting system installation.
6. Reinstall the Windows system.
7. If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

You can upgrade your Windows operating system for better performance on security enhancement, new feature experience, and so on. Follow the instructions to upgrade a Windows operating system.

Attention:

• Microsoft constantly makes updates to the Windows operating system. Before upgrading a particular Windows version, check the compatibility list and the minimum system requirements for the Windows version. For details, go to https://support.lenovo.com/solutions/ht512575.
• It is recommended that you upgrade your operating system through official channels. Any unofficial update might cause security risks.
• Before upgrading a particular Windows version, make a backup copy of all the data that you want to keep.

Prerequisite

1. For models with a Trusted Platform Module, if you are using the Windows BitLocker® Drive Encryption feature, ensure that you have disabled the feature. You can re-enable the feature after the operating system installation is complete.
2. Ensure that the security-related features (Security Chip, Virtualization, and Secure Boot) are enabled. To access the security-related features in the UEFI BIOS menu:
   1. Restart the computer. When the logo screen is displayed, do one of the following to enter the UEFI BIOS menu depending on your computer model:
      • For ThinkPad and ThinkBook computers: Press F1.
      • For Yoga and IdeaPad computers: Press F2.
   2. Select Security and select the security-related features. Then, press Enter. Ensure that the security- related features are enabled.
   3. Press F10 to save the settings and exit.
3. Network connection and ac power connection are required during the whole process.

Upgrade a Windows operating system

1. Type Windows Update in the Windows search box and press Enter.
2. Click Check for updates. If an operating system update package is available, it will be automatically downloaded and installed.
3. Follow the on-screen instructions to install the device drivers and necessary programs.

1. Read the error message to figure out the specific cause.
2. Check if BIOS settings are correct and ensure that UEFI BIOS on your device is up-to-date.
3. Check if the available disk space of your computer meets the requirement of the new Windows version.
4. Upgrade the system again.
5. If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

When you encounter some unexpected issues with your operating system, you can choose to recover your operating system by yourself or call Lenovo Customer Support Center.

Microsoft constantly makes updates to the Windows operating system. Before installing a particular Windows version, check the compatibility list and the minimum system requirements for the Windows version. For details, go to https://support.lenovo.com/solutions/ht512575.

Recovery options

• Reset system to factory default:
  Refer to the instructions in https://support.lenovo.com/HowToCreateLenovoRecovery.
• Other recovery options like restore system to a previous system point:
  Refer to the instructions in Popular Topics: https://support.lenovo.com/solutions/ht118590.

Here are some frequently-asked cases and solutions for your reference:

1. Read the error message to figure out the specific cause.
2. Check if network and ac power source are connected.
3. Check if the installation media works well.
4. Check if BIOS settings are correct and ensure that UEFI BIOS on your device is up-to-date.
5. Check if the available disk space of your computer meets the requirement of the new Windows version.
6. Reinstall the Windows system.
7. If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

You should download the latest driver for a component when you notice poor performance from that component or when you install a new component. Updating or installing the latest driver might eliminate problems caused by driver.

Attention:

• It is recommended to download Lenovo-qualified drivers from Lenovo Support Web site. Before downloading, check if it is compatible with your computer. Ensure that the driver you download matches your computer and system version to avoid compatibility issues.
• Before updating or installing a driver, it is recommended to make a backup copy of all the essential data to avoid data loss. Especially for drivers like graphic card, sound card, network card, and so on, which can potentially affect the stability and the performance of your computer.
• Keep your computer connected to the network during the process of updating or installing a driver.
• When the process of update or installation is complete, restart your computer. The new driver will take effect then.

Update and install the latest driver by one of the following methods:

• From the Lenovo Support Web site:
  1. Go to https://pcsupport.lenovo.com and type the product name or the serial number of your computer into the search box and select your product from the dropdown list.
  2. Click Drivers & Software. Click Select Drivers under the Manual Update tab. Select and download the update package you want.
  3. Follow the instruction at https://support.lenovo.com/solutions/HT074189 to manually install the driver.
• From the Windows Update:
  1. Type Windows Update in the Windows search box and press Enter.
  2. Click Check for Updates. If an update package is available, it will be automatically downloaded and installed.
• From the Vantage app:
  Note: Ensure that the application is up to date for the best features and performance.
  1. Open the Vantage app, and then click Device ➙ System Update ➙ CHECK FOR UPDATES.
  2. If an update package is available, follow the on-screen instructions to download and install the package.

Tips for driver installation errors or failures

When you encounter some unexpected errors or failures during the driver installation process, refer to the following frequently-asked cases and solutions.

• Find general solutions, go to https://support.lenovo.com/solutions/HT105331.
• Find more tips, go to https://www.lenovo.com/tips.

If the problem persists, call Lenovo Customer Support Center for help. For a list of the latest Lenovo Support phone numbers for your country or region, go to https://pcsupport.lenovo.com/supportphonelist.

When you install a new program, device driver, or hardware component, you might need to update the UEFI BIOS.

Download and install the latest UEFI BIOS update package by one of the following methods:

Note: During the UEFI BIOS update process, MRC change might cause memory retraining. Memory retraining is a process to initialize the memory module and run diagnostic tests for the memory module in your computer. When memory retraining occurs, the screen might be blank. For some computer models, you might see the LED indicators on Esc, F1, and F4 blinking sequentially to indicate the progress. Do not press the power button to interrupt the process. Wait a few minutes until the logo screen is displayed.

• From the Lenovo Support Web site:
  1. Go to https://pcsupport.lenovo.com and search by your product name.
  2. Click Drivers & Software ➙ Select Drivers under Manual Update tab ➙ BIOS/UEFI.
  3. Follow the on-screen instructions to download and install the latest UEFI BIOS update package.
• From the Windows Update:
  1. Type Windows update in the Windows search box and press Enter.
  2. Click Check for updates.
  3. If a UEFI BIOS update package is available, follow the on-screen instructions to download and install the package.
• From the Vantage app (for some computer models):
  1. Open the Vantage app, and then click Device ➙ System Update ➙ CHECK FOR UPDATES.
  2. If the latest UEFI BIOS update package is available, follow the on-screen instructions to download and install the package.

If the UEFI BIOS is corrupted or maliciously attacked, the UEFI BIOS will automatically recover from the last uncorrupted and secure backup to protect your computer data.

During the UEFI BIOS auto-recovery, the screen will go blank. Do not press the power button to interrupt the progress. Wait a few minutes until the logo screen is displayed.

Note: For some computer models, you can check the progress based on blinking modes of the LED indicators on Esc, F1, and F4. For details, refer to the following table.

For some computer models, you can reset the UEFI BIOS to the factory default settings, including all UEFI BIOS settings and internal system data. It helps you wipe user data in case that you want to dispose of or reuse your computer.

User data erasure is performed on the following components:

• UEFI BIOS
• Security Engine
• Embedded Controller
• Fingerprint Reader
• TPM

1. Restart the computer. When the logo screen is displayed, press F1 to enter the UEFI BIOS menu.
2. Select Security ➙ Reset System to Factory Defaults and press Enter.
3. Several warning windows might be displayed. Follow the instructions to prepare for the reset.
4. Select Reset System to Factory Defaults again and select Yes to reset.

It could be caused by the following two reasons.

• Copilot in Windows is available in selected global markets. Maybe your region does not support this function. In such a case, pressing the Copilot key opens Windows Search.
• Your Windows operating system version is not up to date and does not include the necessary software components.
  Update your Windows operating system to version 23H2 or later using Windows Update and then try again.