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  1. #1

    Default Replace CMOS battery

    Hi

    My laptop is not keeping time so I am guessing the CMOS battery needs replacing? Before I start investigating how to fix this is there a way I can confirm that this is definitely the problem?

    The laptop is a Sony Vaio S Series. Assuming it is the battery, is it relatively easy to get to the CMOS battery if I try and do this myself? I don't want to have to tear it down completely but am happy to try and attempt a simple fix.

    Thanks

  2. #2
    Computer Technician wainuitech's Avatar
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    Default Re: Replace CMOS battery

    Depends on the exact model, some are dead simple others are not.

    With laptops dont always expect it to be a normal CMOS battery, some have the battery in a heat shrink cover with a plug attachment ( had two like this) and they are not as easy to find as the standard CMOS battery.

    Some Vaios are easy like This one in the Video -- its got a heatshrink and plug attachment.

    Whats the exact model ?

  3. #3

    Default Re: Replace CMOS battery

    Thanks Wainuitech

    It is model VPCS117GG.

    Your help is much appreciated.

    Cheers

  4. #4

    Default Re: Replace CMOS battery

    Hi, further to the above, I have noticed that the laptop is not keeping time even when connected to a powersource. Does this still mean the problem is the cmos battery?

  5. #5
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    Default Re: Replace CMOS battery

    The time doesnt rely on power. If the CMOS is dead / flat it'll lose time

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