

See our article on how to enter your BIOS for help getting into the menu. This stop code may pop up, for example, when changing controller mode from legacy to AHCI, or from RAID to AHCI (or vice-versa) in the BIOS. Undo BIOS changes: If you’ve reset boot order or drive priority improperly, restoring previous settings will usually set things right.

If this fixes the problem, you’ll need to make configuration changes to resolve potential IRQ or I/O port conflicts to get all parts working.

Often this will immediately fix what’s wrong because the boot drive order can be affected in the aftermath of such changes.
