Reset System To Factory Defaults; Thinkshield Secure Wipe; Recover The Uefi Bios - Lenovo ThinkPad X1 Carbon Gen 12 User Manual

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. 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.
5. 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.

ThinkShield secure wipe

ThinkShield secure wipe feature is ThinkPad Drive Erase Utility for the Resetting the Cryptographic Key and
the Erasing the Solid State Drive. This feature provides you a secure method to wipe all the data on your
computer.
Do the following to use ThinkShield secure wipe feature :
1. Restart the computer. When the logo screen is displayed, press F12.
2. Select App Menu ➙ ThinkShield secure wipe, and then follow the on-screen instructions.

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
1. LED indicator on Esc key blinks.
2. LED indicator on Esc key, F1 key and F4 key blinks
simultaneously.
1. LED indicator on F1 key blinks.
2. LED indicator on Esc key, F1 key and F4 key blinks
simultaneously.
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ThinkPad X1 Carbon Gen 12 User Guide
Self-recovery progress
0% to 25%
25% to 50%