Bios cmos check sum Bad Tags: BIOS CMOS Checksum Windows XP Last response: November 8, 2012 11:11 AM in Windows XP Share Raymond E November 8, 2012 8:35:11 AM Hello, 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 More about : bios cmos check sum bad Hawkeye22 November 8, 2012 11:11:14 AM It sounds like your motherboard is toast. Did you have a bios upddate fail when this happened? Can't find your answer ? Ask ! Publish Related resources Solvedhow to solve cmos check sum error while booting pc Forum CMOS check sum error Forum CMOS check sum error. Forum BIOS check sum error? Forum [ASRock] 775Dual Bios / CMOS Bad Checksum error - not battery related Forum Gigabyte 7zm bios says BAD CMOS CheckSUM- -help??? Forum i get an error message as check sum err Forum SolvedCMOS cheecksum bad Forum SolvedEnable/Disable FastBoot CMOS BIOS Forum SolvedTZ68K+ CMOS check failure Forum Solvedcmos checksum bad Forum Cmos checksum bad Forum SolvedIf I reset my CMOS and the BIOS goes to back default will it cause problems? Forum Solvedcan't find "CMOS features" option in BIOS Forum SolvedCMOS Checksum Bad after installing new RAM Forum how to solved when windows xp starting cmos cheksum bad ,date/time not set Forum SolvedCMOS failed message after bios update Forum SolvedHi , my PC is not giving any display to the monitor , after no signal it's going to orange color state. I checked CMOS battery Forum Solvedasus sabertooth x79 - How to go back to clean and working bios install? (cant turn on PC after power loss without CMOS reset) Forum SolvedASUS z77 Sabertooth MOBO BIOS/CMOS Reset Forum More resources Read discussions in other Windows XP categories Configuration Customization Drivers Security Video !