: Find your USB drive from the left-side drive list (usually labeled as fs0 or fs1 ).
Ensure your PC is connected to a reliable power source. Do not update during a storm or if your power is unstable. Step 2: Downloading the BIOS File Go to the ASUS Support site and search for your model. Navigate to Driver & Utility > BIOS & FIRMWARE . Download the latest version (usually a ZIP file). Extract the file: Unzip the folder and find the .CAP file.
Once the file is on your USB drive, restart your computer to enter the firmware environment. : Click restart in Windows.