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Reset system to factory defaults
This feature allows you to reset the UEFI BIOS to the factory default settings, including all UEFI BIOS settings
and internal data. It helps you wipe user data in case that you want to dispose of or reuse your computer.
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. Do the following before resetting the system to the factory
default settings:
a. Deactivate the Absolute Persistence Module.
b. Remove the NVMe password if your have set one.
4. For computer models with RAID settings, a window is displayed to remind you of data damage. Select
Yes to proceed.
5. A window is displayed to confirm all UEFI BIOS settings will be reset. Select Yes to proceed.
Note: If the Intel AMT control and Absolute Persistence(R) Module are permanently disabled, these
settings cannot be reset successfully.
6. Enter the supervisor password, system management password or power-on password in the window
prompted.
Your computer will restart immediately. It takes a few minutes to complete the initialization process. Your
computer screen might be blank during this process. This is normal and you should not interrupt it.
Recover the UEFI BIOS
If the UEFI BIOS is corrupted or maliciously attacked, it can self-recover and restore your computer from the
last uncorrupted and secure backup. This function protects your computer data.
During the UEFI BIOS self-recovery, the screen might be blank. 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.
Note: Do not press the power button to interrupt the progress. Wait a few minutes until the logo screen is
displayed.
Blinking modes
LED indicator on Esc blinks
LED indicators on Esc and F1 blink simultaneously
LED indicators on Esc, F1 and F4 blink simultaneously
Update UEFI BIOS
When you install a new program, device driver, or hardware component, you might need to update UEFI
BIOS.
Download and install the latest UEFI BIOS update package by one of the following methods:
• Open the Vantage app to check the available update packages. If the latest UEFI BIOS update package is
available, follow the on-screen instructions to download and install the package.
• Go to
https://pcsupport.lenovo.com
instructions to download and install the latest UEFI BIOS update package.
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ThinkPad T14s Gen 4 User Guide
Self-recovery progress
0% to 32%
33% to 65%
66% to 100%
and select the entry for your computer. Then, follow the on-screen
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