Asus provides BIOS fixes for BitLocker errors

A busted BIOS update locked countless ASUS users out of their own drives, and a fresh patch is finally here to clean up the mess.

ASUS AM5 motherboard BitLocker drama

• ASUS released Beta BIOS Version 2102 for 600 and 800-series AM5 motherboards.
• Beta BIOS 2101 was the culprit, triggering BitLocker on every single boot.
• Corruption of Secure Boot logs is what kept the problem alive after downgrading.
• Even wiping the TPM didn't get rid of the recovery screen for many users.

What the new BIOS update actually fixes

• Version 2102 ships with an AGESA microcode bump to 1.3.0.0a.
• BitLocker got stuck demanding a 48-digit key just to access the drive.
• ASUS officially acknowledged the bug before dropping this targeted fix.
• Disabling BitLocker pre-flash didn't stop the recovery screen from showing up.

How BitLocker behaves when it gets spooked

• Microsoft's full-disk encryption feature is baked right into Windows.
• Any detected shift in TPM or Secure Boot settings trips the recovery screen.
• A full CMOS clear, reflashing older firmware, and deleting Secure Boot keys all failed.
• Hardware-change detection isn't an ASUS-exclusive trigger, but user complaints piled up fast.