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UEFI/BIOS is the first program that runs when a computer starts. UEFI/BIOS initializes hardware components and loads the operating system and other programs. Your computer may include a setup program (setup utility) with which you can change certain UEFI/BIOS settings.
| Step 1 | Turn on or restart the computer. |
| Step 2 | When the Lenovo logo appears on the screen, press F2 repeatedly. |
For computers with hotkey mode enabled, press Fn + F2.
Normally, the computer starts to a boot manager loaded from the secondary storage device of the computer. Occasionally, you may need to start the computer to a program or boot manager loaded from another device or a network location. After the system firmware initializes all devices, you can press an interruption key to display the boot menu and select a desired boot device.
| Step 1 | Turn on or restart the computer. |
| Step 2 | Press F12. |
| Step 3 | From the boot device menu, select a boot device to start the computer. |
You can make a permanent change on boot devices in the UEFI/BIOS setup utility. Select the Boot menu; in the EFI section, select the desired boot device and move it to the top of the device list. Save changes and exit the setup utility for the change to take effect.
| Step 1 | Open the UEFI/BIOS setup utility. |
| Step 2 | Select Configuration ➙ Hotkey Mode and press Enter. |
| Step 3 | Change the setting to Disabled or Enabled. |
| Step 4 | Select Exit ➙ Exit Saving Changes. |
For some Lenovo computers with always-on connectors, the always-on function can be enabled or disabled in the UEFI/BIOS setup utility.
| Step 1 | Open the UEFI/BIOS setup utility. |
| Step 2 | Select Configuration ➙ Always On USB and press Enter. |
| Step 3 | Change the setting to Disabled or Enabled. |
| Step 4 | Select Exit ➙ Exit Saving Changes. |
When Flip to Boot is enabled, you can turn on the computer by flipping open the screen.
| Step 1 | Open the UEFI/BIOS setup utility. |
| Step 2 | Select Configuration. |
| Step 3 | Change the setting for Flip to Boot. |
You may also set Flip to Boot in Lenovo Vantage or Lenovo Smart Engine.