Q&A for How to Replace the Battery in Your PC

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  • Question
    How do I check to see if a PC battery is dead?
    Community Answer
    Community Answer
    There will be an alert on the start-up BIOS screen. If there is a built-in speaker, it will make a constant beep sound.
  • Question
    How do I find the CMOS battery in my computer?
    Community Answer
    Community Answer
    Every computer's CMOS battery is on the motherboard. If you're having a problem locating yours, check the computer manufacturer's website (or the maker of your motherboard if it's an upgrade or home-built) for the manual, which shows its location.
  • Question
    Do I have to remove all the screws to get to the battery?
    Community Answer
    Community Answer
    Yes.
  • Question
    Are BIOS settings lost when the BIOS battery is removed?
    Community Answer
    Community Answer
    This only changes the date and time.
  • Question
    How do I enter in BIOS setup on a desktop computer?
    Community Answer
    Community Answer
    The computer will tell you which button to press when booting up. For some, it's F12. Others may be F9 or even the Del button. Watch the machine at bootup to determine which key to press.
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