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sometimes power supply board problem,some times back light cct problem and last is main board problem.
minor damage is loose connection of solder joints.
and if you are able to open the covers and do the repair please let me know.
i will guide you.
regards,
nuwan
check the screen cable first. as it does not always happen. tilt the screen front and back to see it at some angles the split stop then you can confidently say it's the cable
run the check disk utility. To run the check disk utility you will need a repair disc ora operating system disc. Put the disc in the cd drive and boot fromit. You want to get to the Dos Command Prompt (Black screen with whiteletters) and type the following command: chkdsk /r Check disk will run well over an hour or two and you will notice thepercentages going from high to low, this is normal. Let it run tocompletion. Then reboot machine.
If check disk fails to solve your problem you might have to reinstall windows.Try doing a Repair Install that way you don't loose your data, documents,music, pictures, videos or programs.
In windows xp you get to the dos command prompt by selecting R for repair whenthe options appear.
In Vista and Windows 7 you want to get to the recoveryconsole and look down at the bottom of the window for the Dos Command.
Try this if using windows vista or 7: 1)when you switch on the computer press F8 key on keyboard, a menu should come up, 2) Select repair computer and press enter 3) Chose startup repair
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