To Dual Boot, say Windows and Ubuntu, on separate Hard Drives, you must first meet the prerequisite and then follow the steps mentioned here.

Some dual-boot devices running Windows and Linux are unable to boot due to an update sent by Microsoft to the wrong systems by accident.

Microsoft has now confirmed that the August 2024 Patch Tuesday update for Windows 11 and 10 throws a wrench into dual-boot systems with Windows and Linux operating systems installed side-by-side.

The Steam Deck’s initial Windows support lacked audio output before addressing that in May of last year, but we’ve been waiting for an update on dual-boot ever since.