Check your exact motherboard or laptop model
Go to the manufacturer’s official support website
Download the correct BIOS update file for your model
Read the update instructions from the manufacturer
Back up important data
Plug in AC power or ensure stable power
Use a fully charged battery on a laptop
Close all running applications
Extract the downloaded BIOS files if needed
Copy the BIOS file to a USB flash drive if required
Restart the computer
Enter the BIOS or UEFI setup during startup
Open the BIOS update or flash utility
Select the BIOS update file
Confirm the update
Do not turn off the computer during the update
Wait until the process finishes and the system restarts
Enter BIOS again if needed and load default settings
Save changes and exit
Verify the BIOS version after reboot