After a flash, the CMOS memory is often cleared. Press F1 or Delete on boot.
Why would a manufacturer push this update? Based on release notes from various OEMs using this revision, here are the common changes: American Megatrends 4.6.5 Bios Update
Verdict American Megatrends 4.6.5 is a practical, incremental firmware release that reinforces stability, improves device and memory compatibility, and includes relevant microcode/security updates. It’s worth installing if you face related issues or want up-to-date microcode; otherwise, safe to defer until needed. After a flash, the CMOS memory is often cleared
Because BIOS updates are hardware-specific, installing a generic update or one for the wrong motherboard can "brick" your computer (make it unbootable). Based on release notes from various OEMs using
If you actually need to update an AMI BIOS, always download the file directly from your motherboard manufacturer's official site (like ASUS , MSI , or Gigabyte ) rather than a generic search result to avoid "bricking" your system. How to enter BIOS configuration - IONOS