Question about Dell Latitude D420 Notebook

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My dell latitude d420 board is not responding to power

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  • graeme ian hunter Dec 30, 2010

    Please clarify for me:
    1.) Have you tried AC power only from the adaptor?
    2.) Have you tried this on batteries only?
    3,) Is the AC adaptor gibving out a voltage?
    4.) Is the adaptor plug tight in the DC port on the laptop
    5.) Are there ANY lights on the laptop at all when the AC power is inserted

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If its not responding check power cables (ac adaptor/power cord) .if power cables are good board needs to be replaced. you must call dell to service the laptop.

Posted on Dec 30, 2010

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Hi matt d224...
.I included a couple of links to some parts for the D420
**************************************************************************************************************
There is one test to determine if it is the screen causing the problem or maybe the lcd converter.
Plug an external monitor into your laptop and see if the picture is good...if it is then replace the lcd screen.
If there is still no picture then the problem is probably the lcd inverter needs replacement
Please take time to rate me

Dell Latitude D420 replacment lcd screen:
http://www.laptopscreen.com/English/model/Dell/LATITUDE~D420/

Lcd Inverter replacment:
http://www.yallstore.com/laptop-lcd-inverter-replacement-for-dell-latitude-d420-141-p-1275.html

Youtube video "How to replace a Dell Computer screen";
http://www.youtube.com/watch?v=P7LVbOT5DnQ

How to replace a lcd inverter...this one is for a 630, but your will be the same:
http://www.youtube.com/watch?v=_ILAkFWp3gQ


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Sorry to hear you may pick up a replacement on ebay see link below. Irecommend this as i dont know you skill level and as is, this is easier to put together
http://cgi.ebay.com/Dell-Latitude-D420-Laptop-Motherboard-DN961-Palmrest-/370395575901?cmd=ViewItem&pt=Motherboards&hash=item563d4bf65d

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Yes it is compatible.
Could you please rate this fixya.

Thanks

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