Identify your motherboard or laptop model
Check the current BIOS version
Go to the manufacturer’s official support website
Download the correct BIOS update for your exact model
Read the update instructions provided by the manufacturer
Back up important data
Connect the device to reliable power
Close all running programs
Use the manufacturer’s BIOS update tool or follow the approved update method
Do not turn off the device during the update
Wait for the update to finish and the system to restart
Enter BIOS/UEFI after reboot to confirm the new version
Restore any custom BIOS settings if needed