Question about Dell Inspiron 6400 Notebook

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Laptop dell 6400 black screen

After i Power on my laptop i get a black screen...no post etc,,,just fan noise and LCD for cap num etc light up for a moment...sometime it also will intermitly deplays for moment and then goes off. . . Tried reseating all connecting on LCD side, plus motherboard side. Tried replaced DIMM to verify memory issue, still same problem.does not look like the back light is not comming on. Tried externel monitor and switching to it from function key...but no joy! ...Does this mean that the video board is gone bad and need to replay?

understand it could be the invertor, LCD, cable, motherboard....but because the external monitor is not waking...am i right in saying this? or is the external swithed of in the BIOS somehow!! Please help!

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  • muller1974 Feb 16, 2009

    As i said....tried a monitor and it does not display....will cost to much to send to repair...so trying to pin point failure and replace with correct part....so my question was... is it my video board as the VGA connected monitor is not working?

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Hi,

Pause on the 'Power' button

Hold on the 'Power' button for at least 30 seconds, after taking out your system's battery and removing its AC adapter cord.

Reconnect your laptop

Once you hold on the 'Power' button for 30 seconds, reconnect your laptop to the wall power as pausing on the power button drains any static electricity causing the black screen.

Replace the battery

Mostly, a worn out battery causes the black screen of your laptop. You should replace it with a newer one.

Posted on Aug 10, 2011

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Try plugging the laptop into a computer monitor and see if that works... if it does, then you'll have to send in your computer for repair

Posted on Feb 16, 2009

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Posted on Jan 02, 2017

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