This topic helps you find service QR code and serial number.
Scan the QR code on the base cover assembly to view the following information:
- Your product information and warranty status
- The latest Lenovo-verified drivers and software
- Troubleshooting and diagnosing solutions when hardware or software issue is encountered
- Customer support center and e-ticket entry for professional support
You can find your serial number via:
- Dashboard or Device in the Vantage app
- Serial-number label of your computer (shown as below illustration)
If you have tried to correct the problem yourself and still need help, you can call Lenovo Customer Support Center.
Before you contact Lenovo
Prepare the needed information before you contact Lenovo.
- Record the problem symptoms and details:
- What is the problem? Is it continuous or intermittent?
- Any error message or error code?
- What operating system are you using? Which version?
- Which software applications were running at the time of the problem?
- Can the problem be reproduced? If so, how?
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Record the system information:
- Product name.
- Machine type and “serial number”.
Lenovo Customer Support Center
During the warranty period, you can call Lenovo Customer Support Center for help.
Telephone numbers
For a list of the Lenovo Support phone numbers for your country or region, go to Support Phone List for the latest phone numbers.
Phone numbers are subject to change without notice. If the number for your country or region is not provided, contact your Lenovo reseller or Lenovo marketing representative.
Services available during the warranty period
- Problem determination - Trained personnel are available to assist you with determining if you have a hardware problem and deciding what action is necessary to fix the problem.
- Lenovo hardware repair - If the problem is determined to be caused by Lenovo hardware under warranty, trained service personnel are available to provide the applicable level of service.
- Engineering change management - Occasionally, there might be changes that are required after a product has been sold. Lenovo or your reseller, if authorized by Lenovo, will make selected Engineering Changes (ECs) that apply to your hardware available.
Services not covered
- Replacement or use of parts not manufactured for or by Lenovo or nonwarranted parts
- Identification of software problem sources
- Configuration of UEFI BIOS as part of an installation or upgrade
- Changes, modifications, or upgrades to device drivers
- Installation and maintenance of network operating systems (NOS)
- Installation and maintenance of programs
For the terms and conditions of the Lenovo Limited Warranty that apply to your Lenovo hardware product, go to:
Customer Replaceable Units (CRUs) are parts that can be replaced by the customer. The computers contain the following types of CRUs:
- Self-service CRUs: Refer to parts that can be replaced easily by customer themselves or by trained service technicians at an additional cost.
- Optional-service CRUs: Refer to parts that can be replaced by customers with a greater skill level. Trained service technicians can also provide service to replace the parts under the type of warranty designated for the customer’s machine.
If you intend on installing a CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You might be required to return the defective part that is replaced by the CRU. When return is required: (1) return instructions, a prepaid shipping label, and a container will be included with the replacement CRU; and (2) you might be charged for the replacement CRU if Lenovo does not receive the defective CRU within thirty (30) days of your receipt of the replacement CRU. For full details, see the Lenovo Limited Warranty documentation at https://www.lenovo.com/warranty/llw_02.
CRU list
The following is a list of CRUs of your computer.
Self-service CRUs
- ac power adapter*
- Base cover assembly
- M.2 solid-state drive
- M.2 solid-state drive bracket
- Nano-SIM-card tray*
- Power cord*
Optional-service CRUs
*for selected modelsReplacement of any parts not listed above, including the built-in rechargeable battery, should be done by a qualified repair technician or by ensuring that you carefully follow all instructions provided by Lenovo. You can also find Lenovo-Authorized repair facilities by going to https://support.lenovo.com for more information.
Disable Fast Startup and the built-in battery
Before replacing any CRU, ensure that you disable Fast Startup first and then disable the built-in battery.
To disable Fast Startup:
To disable the built-in battery:
Base cover assembly
Prerequisite
Before you start, read Generic Safety and Compliance Notices and print the following instructions.
Do not remove the base cover assembly in the following situations. Otherwise, there might be a risk of short circuits.
- When your computer has the removable battery installed
- When your computer is connected to ac power
For access, do the following:
- Disable the built-in battery. See “Disable Fast Startup and the built-in battery”.
- Turn off the computer and disconnect the computer from ac power and all connected cables.
- Close the computer display and turn over the computer.
Troubleshooting
If the computer does not start up after you reinstall the base cover assembly, disconnect the ac power adapter and then reconnect it to the computer.
Wireless WAN module and wireless WAN module bracket (for selected models)
The following information is only for the computer with user-installable modules. Ensure that you use only a Lenovo-authorized wireless module specifically tested for this computer model. Otherwise, the computer will generate an error-code beep sequence when you turn on the computer.
Prerequisite
Before you start, read Generic Safety and Compliance Notices and print the following instructions.
- Wireless WAN ready model identifies that product has preinstalled wireless WAN antennas and allows a user-installable wireless WAN module.
- Only wireless WAN model or wireless WAN ready model is allowed to install the optional Lenovo wireless WAN module.
- Do not touch the contact edge of the wireless WAN module. Otherwise, the wireless WAN module might get damaged.
For access, do the following:
- Disable the built-in battery. See “Disable Fast Startup and the built-in battery”.
- Turn off the computer and disconnect the computer from ac power and all connected cables.
- Close the computer display and turn the computer over.
- Remove the base cover assembly. See “Base cover assembly”.
Removal procedure
A Mylar film might cover the wireless WAN module. To access the wireless WAN module, peel off the film first.
Type one – Models with 4G wireless WAN module
Depending on the model, the 4G wirless WAN module might be either 4 connectors or 2 connectors.
Type two – Models with 5G wireless WAN module
Type three – Models with wireless WAN module bracket only
Wireless WAN module bracket is needed for 4G models only.
Antenna cable routing
The cable routing is different for 4G wireless WAN module and 5G wireless WAN module. Ensure that
the antenna cables are installed appropriately when installing a wireless WWAN module.
Type one – 4G wireless WAN module with 2 connectors
Type two – 4G wireless WAN module with 4 connectors
Type three – 5G wireless WAN module
Notes:
- Keep the tape attached away from the speaker.
- Ensure that the orange cable does not touch the speaker.
- Ensure that the blue cable does not touch the thermal fan.
- Do not remove the plastic cover from new antenna connectors until you install the new
antennas.
M.2 solid-state drive and bracket
Prerequisite
Before you start, read Generic Safety and Compliance Notices and print the following instructions.
If you replace a M.2 solid-state drive, you might need to install a new operating system. For details on how to install a new operating system, see “Install Windows”.
The M.2 solid-state drive is sensitive. Inappropriate handling might cause damage and permanent loss of data.
When handling the M.2 solid-state drive, remove or insert the M.2 solid-state drive horizontally. Otherwise the slot might get damaged.
When handling the M.2 solid-state drive, observe the following guidelines:
- Replace the M.2 solid-state drive only for repair. The M.2 solid-state drive is not designed for frequent changes or replacement.
- Before replacing the M.2 solid-state drive, make a backup copy of all the data that you want to keep.
- Do not apply pressure to the M.2 solid-state drive.
- Do not touch the contact edge or circuit board of the M.2 solid-state drive. Otherwise, the M.2 solid-state drive might get damaged.
- Do not subject the M.2 solid-state drive to physical shocks or vibration. Put the M.2 solid-state drive on a soft material, such as cloth, to absorb physical shocks.
- Disable the built-in battery. See “Disable Fast Startup and the built-in battery”.
- Turn off the computer and disconnect the computer from ac power and all connected cables.
- Close the computer display and turn the computer over.
- Remove the base cover assembly. See “Base cover assembly”.