Question about Dell Latitude D430 Notebook

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Dell Latitude D430 laptop. Laptop will not power on with Dell AC adapter. I got another AC adapter for it that lights up when plugged in to a power source but when I plug it into the laptop the light goes out and it does not power on. The same AC adapter powers on a different laptop with no problem. Dell has replaced the motherboard 2 times and the whole computer once. Any ideas?

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  • shawn62279 Jan 29, 2009

    I tried hooking it up to the ac adapter without the LCD attached to the motherboard and it is still doing the same thing. I assume now it isn't the inverter because I unhooked it. Anymore ideas?

  • shawn62279 Jan 29, 2009

    Also it does the same thing with the battery removed.

  • shawn62279 Jan 30, 2009

    The AC adapter was working for a while but now the computer will not power on at all. It won't power on with just the battery attached or when the battery is removed and just the AC adapter is attached. The battery is charged according to the indicator on the battery.

  • shawn62279 Jan 30, 2009

    I have tested the voltage coming out of the adapter and it is correct, 19.5V. The adapter is a universal adapter with different tips. It works with another computer with similar power needs as the Dell. I also checked the power coming out of the outlet and it was correct. Unfortunately I don't have another adapter that will fit the Dell to try that out.



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The issue seems with the inverter board of the machine and chek once the machine at any other place.

Posted on Jan 29, 2009

  • Gyanendra Kumar Jan 30, 2009

    Hi shawn62279,

    Have you checked the specifications of the adaptor required for the machine.

    Beacuse with dell this is the common problem that output of the ac adaptor secondly does the system behaves in same way in safe mode too.

  • Gyanendra Kumar Jan 30, 2009

    Hi shawn62279,

    So right now it is not powering on with the adaptor also means there might be some issue with the adaptor.

    As the converter is onboard so there is no issue of that try with any adaptor with same specifications and please once try it any other place alos either check the earthing voltage at house it must not exceed 2 volts.



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