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Thread: CMOS Battery for Acer Extensa 501DX

  1. #1
    Join Date
    Apr 2010
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    79

    CMOS Battery for Acer Extensa 501DX

    I have a acer Extensa 501DX laptop which is slowly expiring because the CMOS battery is fading out. This model does not have an easy way to get at the guts of the machine to replace the battery, Can u suggest me for the CMOS Battery for Acer Extensa 501DX. Thanks in advance.

  2. #2
    Join Date
    May 2008
    Posts
    1,818

    CMOS Battery for Acer Extensa 501DX

    All laptops have a CMOS, complementary metal oxide semiconductor, battery. The chief purpose for the CMOS battery is to lay up the system time, date and BIOS settings even if the computer is turned off or the main battery dies. Individual Acer Aspire laptop models differ somewhat, but the general steps are the same when replace a dead CMOS battery. Check and reply.

  3. #3
    Join Date
    May 2008
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    1,825

    Re: CMOS Battery for Acer Extensa 501DX

    You need to read from side to side the owner's manual for your exacting Acer Aspire laptop to determine what kind of CMOS battery you want. Buy the battery through Acer or a local or online computer parts trader. Turn the laptop off and unplug it. Also unplug any external hard drives , cameras, or other external devices. Turn the laptop over (bottom facing up), then touch something metal to remove standing charge. All the best.

  4. #4
    Join Date
    Apr 2008
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    2,353

    CMOS Battery for Acer Extensa 501DX

    You need to remove the Phillips screws that safe the motherboard cover (refer to your owner's manual if necessary), then free the cover from the clip on the bottom of the plastic case. Rest the cover aside then locate the CMOS battery cable on the right side of the motherboard. Unplug the cable then eliminate the battery.

  5. #5
    Join Date
    Sep 2005
    Posts
    2,329

    CMOS Battery for Acer Extensa 501DX

    You need to plug the new CMOS battery cable into the motherboard. Slide the battery in part under the laptop casing to hold it in place, and then arrange in a line the cover with the slot on the bottom of the laptop housing. Replace the screws then go round the laptop back over. Best of luck.

  6. #6
    Join Date
    May 2006
    Posts
    2,819

    CMOS Battery for Acer Extensa 501DX

    You need to Plug the laptop in and turn it on. Enter your BIOS (usually by pressing "F1," "F2," F10" or the "Delete" key) ahead of the operating system loads. Follow the BIOS prompts or pass on to your Acer Aspire owner's manual to reset your time, date and desired system settings. All the best.

  7. #7
    Join Date
    Nov 2005
    Posts
    2,327

    CMOS Battery for Acer Extensa 501DX

    Anytime the CMOS battery is unplugged for more than a hardly any seconds your BIOS will be reset to the default manufacturer settings. If you create any changes to the BIOS that cause problems with your Acer Aspire, You need to unplug the CMOS battery for 3 to 5 seconds to accurate the problem.

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