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Have to set date n time on every start of my computer.Already replaced the battery of the board.But no fruitfull result!

Every time I start my computer ,I have to set the time and date.I get the error msg "CMOS checksum error","CMOS battery failure" and like.I have already replaced the battery(a small coin like) with a new one. But still I am getting the error msg when I start my computer and I have to set the time and date again...! Note:I have purchased the computer on 2006.I am using Windows XP home edition.My motherboard is D102GGC2. Please help me out of this problem !!! Ritwik

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  • Catalin Turcu
    Catalin Turcu May 11, 2010

    my first thought was to the bios battery ...if you already changed it ...check ..if the contacts are ok .. cause this is the main problem...but it might be also related with some hardware changes that ya might made...like upgrading ram memory ...
    if the computer is booting several times on start ...and sending blue screen errors..and stuff like missing files...and windows could not start cause........ its from those changes... tell me more...but first try to see if the contacts are ok on the bios batery ...( check for issues that might discharge your battery ... power shorts...or bad contacting ..)


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Perhaps the CMOS jumper is in the incorrect position, making poor contact, or there is no CMOS jumper at all.

You can probably get a jumper diagram online, by searching the model number. If you have that manual, then that will probably do as well. Just look for where it should be and then double check to make sure it is in the right position.

Another possible explanation would be circuitry damage, in which case you may have to buy a new motherboard. Somehow that battery is not giving the CMOS power.

And a far-fetched third explanation would be it was not "year-2000" compatible. LoL. Maybe it freaks out on the date... Just random speculation though.

Posted on May 28, 2009

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Plz check cmos battery again because it had not power.

if continued check *********** board

Posted on May 28, 2009

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What you need to do is replace the CMOS battery on your motherboard.
unplug the power cord from the wall.
take the cover off your tower by removing the screws and sliding it back and up.
on your motherboard you will see a small ni-cad battery about the size of a nickel.
remove it from its clip and replace it with the same battery number. these are available at any radio shack, walmart, best buy, curcuit city.etc
rplace the cover and boot your computer. set your date and times one last time and it will stay now.
Good Luck
do not do this with the computer power on...

Posted on May 28, 2009

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