1. Press Delete when the system boots up to enter BIOS.
2. Navigate to Security >Secure boot.
3. Enable Secure boot.
4. Navigate to Key Management.
5. On Intel platform:
Enable Factory Key Provision.
On AMD platform:
Select Restore Factory Keys.
> Intel platform
> AMD platform
6. Press "Yes" to prceed with install factory defaults.
7. Then press "No" in the next window.
8. Press F10 save & exit.
How to confirm whether secure boot is on?
1. Enter Windows.
2, Type "system information" in search bar.
3. Open System information.
4. Secure Boot State is On when secure boot is enabled.