the BIOS Flashback button for 3 seconds to start the update. specific name your motherboard model requires, or are you trying to fix a "Selected file is not a proper BIOS"
The timestamps show all four messages within a 120ms window, indicating a normal, successful handshake.
Navigate to the Tool tab and select ASUS EZ Flash Utility (or EZ Flash 3). Select your USB drive, choose the .CAP file, and confirm the update. 2. USB BIOS FlashBack™ (Recovery Method)
Open Command Prompt or Terminal as Administrator and run: