6. Checksum Error When you boot your computer or laptop with a failing CMOS battery, you may experience aCMOS checksum error. This basically implies that your BIOS has not been able to verify the details stored regarding your hardware in the CMOS memory, as we explained above. CMOS Checksum ...
This is a quick and easy troubleshooting step, and can help you fix many problems, including freezing during the POST process, hardware-related error messages, and CMOS checksum. However, if you don't have the CMOS battery, this method may not work for you. CMOS, or complementary metal ...