Having problems with your Gateway PC Laptops ?

Gateway 400sd4 Laptop

\015 Hi There, I have a Gateway 400sd4 with no display on LCD screen it has backlight.I get perfect video on an external monitor.I have installed a ''known good'' LCD screen with no change.I have toggled the outputs between internal,external & both.That works correctly & I am able to brighten & dim the backlight. Is it time to condem the system board? Is this a ''repairable''problem with the system board?\015\012Thanks\015

Answers :

\015\012This is problem related to the video card/video adapter on your PC. You'll need to get the video card replaced. Your Gateway 400sd4 laptop uses ATI M6P Graphics Card, and to correct the issue you'll need to replace the lcd inverter. However replacing the lcd inverter is not suggested as it can again turn bad due to a faulty motherboard, so, i'll suggest you to buy a new motherboard.
\015\012 You can buy the motherboard for your gateway laptop 400sd4 from this link--
\015\012Gateway 400SD4 Laptop Motherboard
\015\012Please do accept this solution and revert for further assistance.
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