: Press Windows Key + R , type msinfo32 , and check the "BaseBoard Product" field.
Navigate to the firmware tool (e.g., , MSI M-Flash , or Gigabyte Q-Flash ). Select your connected USB drive from the media list.
Plug the drive into the designated, color-coded on the rear I/O panel. American Megatrends 4.6.5 Bios Update
This is the recommended method for most users. Virtually all modern motherboards include a built-in flashing utility in the BIOS itself (known as Q-Flash for Gigabyte, M-Flash for MSI, EZ Flash for ASUS, or Instant Flash for ASRock).
Navigate to the or Tool tab using your keyboard arrow keys. : Press Windows Key + R , type
: Do not rely solely on the "AMI 4.6.5" string.
For older systems that may not have a graphical update tool, the traditional DOS method is a reliable alternative. Plug the drive into the designated, color-coded on
Advanced users managing white-box servers or specific OEM builds can use the official AMI command-line utility.
(This is your exact motherboard model, e.g., B450 TOMAHAWK MAX)
You cannot use just any BIOS file. Use a tool like CPU-Z or look directly at the printing on your motherboard to find the exact brand and model.
: Press Windows Key + R , type msinfo32 , and check the "BaseBoard Product" field.
Navigate to the firmware tool (e.g., , MSI M-Flash , or Gigabyte Q-Flash ). Select your connected USB drive from the media list.
Plug the drive into the designated, color-coded on the rear I/O panel.
This is the recommended method for most users. Virtually all modern motherboards include a built-in flashing utility in the BIOS itself (known as Q-Flash for Gigabyte, M-Flash for MSI, EZ Flash for ASUS, or Instant Flash for ASRock).
Navigate to the or Tool tab using your keyboard arrow keys.
: Do not rely solely on the "AMI 4.6.5" string.
For older systems that may not have a graphical update tool, the traditional DOS method is a reliable alternative.
Advanced users managing white-box servers or specific OEM builds can use the official AMI command-line utility.
(This is your exact motherboard model, e.g., B450 TOMAHAWK MAX)
You cannot use just any BIOS file. Use a tool like CPU-Z or look directly at the printing on your motherboard to find the exact brand and model.