Question about Dell Inspiron 9100 Notebook

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Dark Screen Inspiron 9100

:) Not my 1st rodeo with a dark screen but figured I'd let the guru's point me in the right direction.

Dell Inspiron 9100 - screen just suddenly goes dark. I replaced the inverter - same issue. Replaced the video / monitor cable - same issue.

Is it time for a new LCD? I appreciate anyone's time.


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  • sncboom2k Dec 10, 2008

    Well I'd think the same if it didn't come on for a little while. It comes on - then goes dark. So I replaced all those parts and it did the same thing.

    After a couple minutes, it goes dark again. Still think that's a backlight?

    I'm thinking it really wouldn't hurt to just throw in a n LCD with a new inverter for 104.00 - your thoughts? And thanks!

  • g00ey May 11, 2010

    I have exactly the same problem and after struggling with the Fn button and the "lid-closed" detection pin I can make it come back on without shutting down again, ... at least for a while.

    Now, if it is the lamp that is bad as commented here, wouldn't there be any other signs such as low brightness, flickering or tainted color/whiteness ?

    My lcd-lamp, shows no other signs of malfunction once it is on.


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If you replaced the inverter board and its still dark you need and new backlight itself

Posted on Dec 10, 2008

  • Eric Mitchell
    Eric Mitchell Dec 10, 2008

    Yes that does sound like a lamp issue more than an inverter board the inverter board will turn off the lamp and sometimes turn it back on try using the fn+another key to toggle the external display that sometimes will turn it on but if you see and image it is not your lcd if it does not come bright at all its the inverter if it comes bright and goes dark its a bad lamp


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