Question about IBM ThinkPad T40 2373 Notebook

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Battery indicator flashes even when plugged in to electrical plug, computer recognizes plug-in. Computer will not run with power cord.

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  • Anonymous Sep 30, 2008

    my old battery is broke almost 9 month, so i decide to not used since that time. after all, i buy new one. i plug for the first time, n charge till full. but the full led (green) is blinking, wierd. i pull the ac cord, n i try to boot, but only took 5 second and shut off. without any sign. but when the light full(green) blinking, i try to start the laptop, it works normally until i pull the ac cord. what green led blinking means?

  • Anonymous May 19, 2009

    My battery power meter shows even when my computer is plugged in.

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The battery indicator flashing when plugged in to electrical plug means your battery is completely dead and won't charge. You're computer should run with just the power cord. Your power cord most likely needs replacement.

If you know anyone with the same model of laptop ask if you can borrow their power cord and/or battery to test it out. It is rare for the problem to be the motherboard, though it does happen.

It may just be the power cord at fault as the computer should run without the battery, so you should replace the power cord, as it is probably the reason the battery is completely dead.

If the battery is at least a year old I would replace it since they generally don't last too much longer than a year.

Posted on Sep 09, 2008

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Posted on Jan 02, 2017

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