Question about HP dc5700 PC Desktop

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2 red lights, despite renewing the battery.

My pc is only 6 months old. I first had this problem a couple of weeks ago, changed the battery, then message 163, so I reset time and date, then OK. Then it happened again two days ago, changed battery again just in case it was a dud, then it happened this morning, then again this evening. It always seems to happen when I am out of the room (possibly when it is hibernating). Have checked that the fan at the back is working, when I took the side off. There is another fan that I can just see working through the front grille. Any advice?

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  • pauldesign Oct 26, 2008

    Thank you Joe Boss, but I can't imagine that it is the battery - I've changed it twice (the last one was sent directly from HP). Unless there is another battery in the pc that I may have missed.

  • pauldesign Oct 30, 2008

    Thanks again Joe Boss. Things have happened since posting the problem. I reported it to HP three days ago, not expecting much help, but lo and behold a technician came yesterday and changed the motherboard (for free, under warranty). So far so good. Many thanks Fixya for your help - I will let you know if I have any more problems.



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Sounds like the cmos battery may be bad you can get them at walmart < $10.00 looks like a thin coin on the motherboard that is what holds the setting date time etc when powered of or hibernating.

Posted on Oct 24, 2008

  • Joe Harrell Oct 30, 2008

    the cmos batt is inside the computer small the size of a coin usually get them at a batterry store ebay or walmart not the large one most people usually chaange out



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