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Bios cmos check sum Bad

Last response: in Windows XP
November 8, 2012 8:35:11 AM

When I start up system I get CMOS Checksum Bad
What is this and can it be fixed? I have changed Battery but still same problem.Can you help
November 8, 2012 11:11:14 AM

It sounds like your motherboard is toast. Did you have a bios upddate fail when this happened?