Error 2051 Cmos Checksum
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the CMOS Checksum Bad Error, hence they can be handled effectively. The Error Explained A checksum is computed as an error detecting code to guard cmos checksum error defaults loaded the BIOS settings stored in the CMOS memory. The CMOS Checksum Bad Error is cmos checksum error press f1 to continue an error that occurs when the CMOS values turn out to be incorrect. The CMOS memory stores a specific value cmos checksum error dell normally to guard the BIOS software. Each time the computer is booted, this value, which is a number is checked against the stored value in the CMOS memory. If these two values are
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different, it causes a CMOS Checksum error message. If these values are the same, the computer boots normally. Each computer usually deals with the CMOS Checksum Bad Error differently. Some computers warn the user and continue to boot up using settings in the CMOS, while other computers might warn the user and use the default settings in the BIOS as the correct settings and carry on cmos checksum error defaults loaded solution with a normal boot or reboot. Usually, the strategy the computer employs is stated in the error message. Causes of CMOS Checksum Bad Error There are usually three main reasons that a CMOS Checksum Bad Error occurs. They include: CMOS Battery may not be functioning properly. The battery life may have expired. The user or a virus may have updated the BIOS. The computer may not have been shut down properly e.g. shutting off the computer's main power without first shutting down the computer (MS Windows requires the computer to be shut down before the power is shut off). Solutions to CMOS Checksum Bad Error The CMOS Checksum Bad Error can be fixed easily by following the listed steps carefully. CMOS Battery May Not be Functioning Properly If the user suspects that the CMOS battery is not functioning properly, he/she can easily change it. Before changing the battery, reboot the computer to make sure that the error still exists. If it does, go into the CMOS and write down all of the settings. If all the settings are lost, they can usually be retrieved from the computer manufacturer. Now locate the battery and remove it. Consult the
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fellow members, get your own private messenger, post status updates, manage your profile and so much more. Create Account How it Works Javascript Disabled Detected You currently have javascript disabled. Several functions may not http://www.tech-faq.com/cmos-checksum-bad-error.html work. Please re-enable javascript to access full functionality. 2051: System CMOS checksum bad Started by Kzayaz , Dec 06 2006 10:53 AM Please log in to reply #1 Kzayaz Posted 06 December 2006 - 10:53 AM Kzayaz Member Member 41 posts guys, this morning my computer booted ok until I got an avg messege that it caught some virus and it asked me to rebooted the comp for the http://www.geekstogo.com/forum/topic/141074-2051-system-cmos-checksum-bad/ virus to be successfully removed. i did just that and it went to reboot but wasn't successful. It kept rebooting itself in the bios and never got to the normal xp screen. I removed the battery (laptop), and tried to restart again, it threw this '2051: System CMOS checksum bad"as well as other errors. I really don't know if this is virus related or bios got corrupted. PLEASE HELP!!!! 0 Advertisements #2 javarunner Posted 06 December 2006 - 10:58 AM javarunner New Member Member 4 posts You should not have re-booted. Instead you should have removed the virus, if that is what it was, with an anti-virus program. In any case, reboot in SAFE MODE, if your corrupted BIOS can get you that far. 0 #3 Kzayaz Posted 06 December 2006 - 11:15 AM Kzayaz Member Topic Starter Member 41 posts I removed it with avg anti virus and then it asked me to reboot the comp to finish virus removal 0 #4 fleamailman Posted 10 December 2006 - 10:35 AM fleamailman Member 2k Member 2,383 posts probably the virus is gone but bibs and bobs remain, so here is a link with steps, if after the step you still feel that something