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Dell 4150 will not use AC power

AC power on Dell Inspiron 4150 not working but battery does work. Any solutions? My computer will run off battery power but not off AC. I tested my power cord and it works. I think it is a problem with something on the motherboard. Can someone please tell me how to replace the internal power supply or how to test it?

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  • mattlukow Jun 06, 2009

    It would be helpful if I could find an instructions page on where exactly the power supply is and how to get to it without breaking other parts of my laptop.

  • fougzki May 11, 2010

    Maybe worn out power jack or loose contact.

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  • 24 Answers

Only way is to open it up and check that you're AC connector on the board is ok. If that's fine than it might be the charging circuit.

Posted on Jun 03, 2009

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