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Thinkpad Battery Suddenly Stopped Working

Discussion in 'Hardware' started by eleusis211, Nov 26, 2014.

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  1. eleusis211

    eleusis211 Thread Starter

    Nov 26, 2014
    I've been having a strange problem with the battery for my Thinkpad laptop. I noticed the other day that it wasn't charging when I plugged the AC adapter in. Eventually it ran out completely and would not charge at all. This happened very suddenly...it was working fine a week ago. If I have the battery installed and AC attached and hit the power button, the system will start up for a few seconds and then shut down. Sometimes it will randomly start AGAIN for another few seconds and then shut down. The only way I can get the computer to run is with the battery removed and AC adapter attached. If I start the computer up with the AC adapter attached and then insert the battery the computer immediately powers down.

    I really want to get this problem resolved. I'm hoping that it's just the battery itself, but it seems strange that it would stop working so suddenly. From my experience, laptop batteries tend to lose their power over time. And even if the battery was no good, shouldn't the computer still work as long as the AC line is connected? I have no problem replacing the battery, I'm just not certain that this is the real issue. It seems that the AC adapter works fine.

    Is this likely just a battery problem, or is it possible that the motherboard is damaged?
  2. managed

    managed Trusted Advisor Spam Fighter

    May 24, 2003
    First Name:
    Hi Dan and welcome to TSG.

    I assume your Thinkpad's warranty has run out.

    It could be a problem with the motherboard power circuitry but that would be expensive to fix.

    As the charger looks ok the easiest and cheapest thing to do is to try a new battery.

    Sorry I can't be more specific.
  3. DaveBurnett

    DaveBurnett Account Closed

    Nov 11, 2002
    It certainly sounds as though the battery is not only dead but also has an internal short.
    Run without the battery until you get a replacement.

    Co-incidentally, I've just ordered one myself for a T42.
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