How to Access the CMOS Setup Program. The CMOS and BIOS setups are both specified in the system BIOS. Some computer manufacturers refer to this setup menu as the BIOS setup, while others refer to ...

The BIOS screen generally appears with a blue, red or gray background, carrying the acronym "BIOS" or "CMOS Setup Utility" toward the upper portion of the screen.

You may need to access the BIOS to make some system changes, but where do you start? Here's how to open BIOS on a Windows 10 or 11 computer.