A CMOS checksum error happens when your computer can't read important startup data. Restarting your computer or updating your BIOS often fixes CMOS checksum errors. A ...

If your computer refuses to boot and displays a CMOS Checksum Error, chances are high that the issue is linked to the BIOS (Basic Input/Output System). Along with this message, you are offered various ...

The first easy step is to reset the CMOS and see if it helps you boot into Windows. To reset or clear CMOS, follow these steps: Force shut down your computer by pressing and holding the power button.