If your power cuts during the update, check if your motherboard has a "BIOS Flashback" button on the rear I/O to recover the system.
Look at the physical motherboard for a model number (e.g., B450M-A or Z590-P ). Step 2: Download the Official Update american megatrends 465 bios update top
Ensure the USB drive is formatted to FAT32, not NTFS. If your power cuts during the update, check
Master Guide: Updating Your American Megatrends (AMI) BIOS to Version 465 and Beyond Master Guide: Updating Your American Megatrends (AMI) BIOS
Many updates in this range enable TPM 2.0 or Secure Boot by default, which are mandatory for modern operating systems. Step 1: Identify Your Motherboard Model
Fixes for "Blue Screen of Death" (BSOD) errors and power management issues (Sleep/Hibernate bugs).
Downloaded BIOS updates usually come in a .zip folder. Extract the file (it will often have an extension like .CAP, .ROM, or .bin) onto the root of your USB drive.