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Laptop fault power supply will not charge battery or run laptop

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  • minimatics Jun 22, 2008

    tried another power supply still dead. Stripped to check power supply jack connections everything looked ok

  • morgandy Nov 08, 2008

    I'm on my second battery from Dell for my D430 PC notebook.
    The first would not hold a charge, so I got shipped another. It's been a month and now I have the same problem.

    I've used two different adapters to make sure it wasn't that.

    Is there a setting or two I can check?
    Thanks,
    Morgan Mandel

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Dell has a recall on these type of batterys. All OEM batterys made in japan, korea, and china. look it up for yourself. I already bought two batterys, both from Japan. both no good

Posted on Feb 14, 2009

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Start by replacing the power supply. That should cure it, if not, let me know, there is some other (more expensive) possibilities.

Posted on Jun 18, 2008

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If the power supply is powering the system without the battery installed, and the battery powers the system without the power supply attached, but the power supply will not charge the battery in the system...chances are very high the charging circuit on the systemboard is not functional. There are a few possibilities as to why but the only real solution would be to replace the systemboard since the charging circuit is integrated. You could run through the charging circuit to locate the exact fault but you will need schematics in order to resolve if you are comfortable with micro-soldering.

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If it is it indicates that the power supply is charging the battery,
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If the battery is charging then try running the laptop on battery only without the charger and on charger only without the battery.
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You mentioned that if you wiggle the cord then the light comes on again.
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It is possible you have two dud batteries. Recharageable batteries have a limited life, they have a finite number of charge and discharge cycles.
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If you can verify your new battery is OK the the fault could be the power supply adapter, if may not produce enought current to run and charge the battery. Try charging the battery overnight by turning off the laptop and leaving on the mains t charge. Borrow a mains adapter and test it on your computer.

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robotek

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