Question:

Why my mac change the date to Dec 31 of 1969?

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Anyone knows why this happen?

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  1. Yes

    Your CMOS battery is dead

    What mac do you have?


  2. You need a new battery. If you don't think you can change it yourself you need to take it to someone who can. Sometimes the batteries are a little difficult to find, but you can find them here:

    http://resale.headgap.com/

    Check the Apple website for instructions on how to change the battery. Look under Support and ask how to change it.
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