For IT to successfully install updates for Microsoft Windows, we need to ensure the proper certificates are installed in your BIOS/UEFI.
You'll need to restart your computer and boot into BIOS Setup mode.
1. Press the F1 (next to ESC) on your keyboard button multiple times before and while you see this Lenovo screen
2. Next, you'll see a blank screen with Entering BIOS Setup:
3. From the ThinkPad Setup screen, click on the Security tab on the left panel.
4. From the Security screen, verify that the Secure Boot dot is On; if not, toggle it On.
5. Verify that Secure Boot Mode is set to User Mode; if it is in Setup Mode, please click on Restore Factory Keys, to change it to User Mode.
6. Click on Yes to confirm Restore factory defaults:
7. Press F10 on the keyboard to save the configuration changes and restart the computer:
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