August 20, 2008 Acer Aspire One BIOS Recovery The AA1 has a built-in BIOS recovery routine, making it possible to flash the BIOS even if the system doesn't boot anymore. It's only meant for emergencies and may void your warranty, so use at your own risk. Follow every step carefully! First format an USB stick with FAT. Download the latest BIOS, and put both FLASHIT.EXE and the BIOS file in the r