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Charging indicater light is on but will not power up.

Dell latitude d400. The note book shows power indicater light is on when the power adapter is inserted. Still does not power up. Is there a thermal or replacable internal fuse that I can reset or replace. If so, where is it located? The power adapter is good as it charges and works with another laptop!

Thank you!!

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Take out the battery from the laptop and only hook up the ac adaptor and if you get no power to it and still can't turn it on an knowing that your ac adaptor is good, then the motherboard is bad and would need to be replaced.


Posted on May 18, 2009

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My battery is charged have a brand new ac adapter/charger but it still wont turn on nothing no charging signal nothing at all what might be the problem?


If you have a new power adapter (and it is putting out the correct voltage) and you try to turn on the computer and nothing happens, I would suspect that your motherboard has gone bad.
The good news is that you can probably find a used one on e-Bay.

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Dell d400 flashes the light on pressing the power button and shows a nine in a padlock sighnthens shuts down without showing anything on the screen.


Take the battery out and press the power button for 30 sec and connect the power cord and reboot.
This should work fix it else the issue seem to be with motherboard.

Thanks
Kindly rate the answer
Smith

Jul 09, 2009 | Dell Latitude D400 Notebook

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There is short somewhere on the board. That's why it's blinking.
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Most likely its due to hardware failure. Be sure the battery is holding a charge and the power adapter is working.

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1 Answer

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hi! the motherboard is dead. if the ac adapter light turns off when plugged in and if you unplug it, it will turn on, then the problem is with the motherboard. It needs to be replaced. Call Dell Tech support if you still have warranty to have the motherboard replaced or else, you have to pay for the repair.

Hope this helps!

Karlox

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