How to Enable Secure Boot in Windows 11 with GIGABYTE B450m Motherboard
4Enabling Secure Boot on a GIGABYTE B450M motherboard for Windows 11 requires careful steps in the BIOS to avoid boot issues. Here’s a concise guide:
Enter BIOS: Restart your PC and press Del or F2 repeatedly during startup to access the BIOS.
Enable fTPM (Trusted Platform Module):
Navigate to Peripherals or Settings tab.
Find AMD fTPM or Trusted Computing.
Set Security Device Support to Enabled and select AMD CPU fTPM.
Save changes (usually F10) and reboot to BIOS.
Disable CSM (Compatibility Support Module):
Go to Boot or BIOS tab.
Locate CSM Support and set it to Disabled. This ensures UEFI mode, required for Secure Boot.
Save and reboot to BIOS again.
Enable Secure Boot:
Navigate to Boot or Security tab.
Find Secure Boot and set it to Enabled.
If prompted, set Secure Boot Mode to Standard (not Custom).
If you see an option to Restore Factory Keys, select it and confirm to reset keys without saving.
Save and Exit:
Save changes (F10) and reboot. Let Windows boot normally.
Verify Secure Boot:
In Windows, press Win + R, type msinfo32, and press Enter.
In System Information, check Secure Boot State. It should say On.
Important Notes:
Ensure your boot drive is in GPT format (not MBR). Use Disk Management (diskmgmt.msc) to confirm. If it’s MBR, convert it to GPT using tools like MBR2GPT to avoid boot failure.
If the PC doesn’t boot after enabling Secure Boot, reset BIOS by removing the CMOS battery for a few minutes or using the Clear CMOS jumper.
Update your BIOS to the latest version from GIGABYTE’s website for stability.
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