Laptop BIOS clock running really fast


  1. caleb97
    Posts : 47
    Windows 7 Home Premium 32bit SP1
       New #1

    Laptop BIOS clock running really fast


    Hi,

    Recently I noticed that the clock on my laptop was incorrect. I changed it within Windows several times but it kept going wrong again the next day.

    I decided to check the clock in the BIOS set up menu and it turns out that the clock is running really fast. I'd say it takes about a second for the clock to advance by 1 minute. I figured this must be what is causing the clock in Windows to keep going wrong.

    Is it likely that this problem is fixable, and if so how would I go about it?

    Thanks in advance,
    Caleb
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  3. badger906
    Posts : 1,846
    Windows 7 Ultimate x64, & Mac OS X 10.9.2
       New #2

    how old is the laptop? most common cause of this issue is a flat cmos battery.

    they dont last forever, but should last a fair few years, unless yours is just a dud.

    replacement cr2032 batteries cost less than £1/$1
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  4. caleb97
    Posts : 47
    Windows 7 Home Premium 32bit SP1
    Thread Starter
       New #3

    Thanks for your help!

    The laptop is about 6 years old, so I guess the issue could be the CMOS battery. Is changing the battery on a laptop similar to the procedure on a desktop?
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