Identify your motherboard or PC model
Check your current BIOS version
Visit the official manufacturer support website
Download the latest BIOS update for your exact model
Read the manufacturer’s BIOS update instructions
Connect your device to reliable power
Back up important data
Extract the downloaded BIOS file if needed
Copy the BIOS file to a FAT32-formatted USB drive
Restart the computer
Enter BIOS/UEFI setup
Open the BIOS update utility
Select the BIOS file from the USB drive
Start the BIOS update
Do not turn off or restart the computer during the update
Wait for the update to complete
Restart the computer if required
Enter BIOS/UEFI setup again
Load default BIOS settings
Reconfigure any custom BIOS settings
Save changes and exit
Confirm the updated BIOS version