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  1. #1
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    Default Laptop dead with AC plugged in

    The battery died months ago but I still use it occasionally with the AC plugged in. However now it won't turn on at all. I kept the charger plugged in for hours and noticed it's warm so I don't think it's that. Can the battery reach a point where it won't transfer any power at all when plugged into AC? Or is it the laptop itself that would be dead?

  2. #2
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    Default Re: Laptop dead with AC plugged in

    As a suggestion, have you tried to remove the battery and just used AC power?

  3. #3
    Senior Member Tbird650's Avatar
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    Default Re: Laptop dead with AC plugged in

    +1 to pull dead battery and retry without. Hope it works for you as it did solve problems for me in the past. Good luck.

  4. #4
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    Default Re: Laptop dead with AC plugged in

    Just tried it but no joy, never did work without the battery.

  5. #5
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    Default Re: Laptop dead with AC plugged in

    What brand and model is the laptop?

  6. #6
    Computer Technician wainuitech's Avatar
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    Default Re: Laptop dead with AC plugged in

    Some laptops have to have a battery in place regardless of it charging or not, then there's some that don't have a CMOS battery, and rile on the actual battery to keep the settings. Some laptops if you remove the battery they wont start, BUT if the battery is required and its knackered, its a catch 22, wont boot with the battery in or out.

    Dell laptops are really weird ( for the lack of a better polite word)
    Update / Upgrades = Replace old bugs with new ones.

  7. #7
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    Default Re: Laptop dead with AC plugged in

    It's a Compaq CQ61. This is the 2nd battery that's died on me, I just kept using the 1st battery with the AC plugged in for a few months before I bought the 2nd battery but this time I just kept it using it with the dead battery as I don't use it much so I'm wondering that caused it to dry up completely, or maybe it's something else in the laptop.

  8. #8
    Senior Member 1101's Avatar
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    Default Re: Laptop dead with AC plugged in

    It could be a faulty power pack, or a board fault in the laptop itself (power circuitry).
    Both common faults when laptops wont start

    The batts dont last forever . Its common for the batts to die as they age . Some cheapie replacement batts just dont last , or can even be DOA
    It should have been able to run without the batt anyway .
    :-)

  9. #9
    amateur expert dugimodo's Avatar
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    Default Re: Laptop dead with AC plugged in

    Another common fault is the power connector itself, either getting very loose inside or the solder holding it to the motherboard breaking away from movement over time.
    You can often tell if that's the case though as you can move the connector around and get it to occasionally work in a certain position.
    Ryzen 2700X, 16Gb DDR4RAM, 512GB M.2 NVME SSD, MSI GTX1070

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