MACBook Can't See Display

I turn on MacBook and I am able to barely see the display if there is a light ON in the room .. (looks like ghost image) , if no light in the room then I CAN'T see anything on the MacBook .. what could be wrong and can this be fixed?

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Thanks ,,

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mvalencia2003Asked:
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strungCommented:
Try turning up the display brightness. Probably the F2 button on your keyboard.

If that doesn't work, try resetting the PRAM by cold booting while holding down the command-option-p-r key combination until you hear the startup chime a third time.

If that doesn't work, are you able to see the screen well enough to pull down the Apple Menu to About this Mac and tell us exactly what model Mac you have?

If the above does not work, there is a good possibility that you have a hardware problem with the backlighting of the screen.
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Zephyr ICTCloud ArchitectCommented:
Might be a broken backlight inverter maybe ... It's fixable on some MacBooks ... What's the model/year?
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mvalencia2003Author Commented:
resetting the PRAM = did not fix ..,
10.6.8
MacBook 4,1

SMC = 1.31f1
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Zephyr ICTCloud ArchitectCommented:
Hi, check out this video to see if it seems like a familiar problem.

If it seems like your problem, there's also this site to help you further

If it's something else ... We'll need to try some other things.
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strungCommented:
So it is a 2008 MacBook. Long out of warranty. It is probably the inverter, as Sparvtek said, and it is repairable using the link in Spravtek's post, but it is a fairly difficult operation.
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Kash2nd Line EngineerCommented:
if you have a spare monitor plug into that via the connector, if it works and displays fine then the graphics card (logicboard) is ok and it is the screen which is faulty. If you are getting same results on the external display then its the board I am afraid.

Hope this helps
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mvalencia2003Author Commented:
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