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yesterday my laptop hit the ground on one side and since then the screen has vertical red lines and shows the black as red.

Is the physical screen broken? I expected to see some local damage on it but this is general and over all the screen uniform so, maybe the damage is on a connection or a circuit? Someone has expertise with LCD screens?

Thanks in advance

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closed as too localized by Kyle, random May 28 '12 at 3:35

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Sounds like a broken screen... If you provided a model maybe someone with experience with that particular model can tell you what to look for. As it stands your asking for speculation. I'm voting to close because even with pictures it's still unlikely to be a good fit for super user. –  Kyle May 2 '12 at 18:50
    
Either way you're going to have to repair it. So who cares what bit it is unless you're going to do that yourself? (And if you are, you should know enough about it to diagnose it yourself) –  Shinrai May 2 '12 at 18:53
    
This is not related with any particular model. My question is if a LCD which is mainly a liquid crystal can be broken in a way that shows a regular patter which sounds very unlikely to me. I can fix anything that's not the screen, that's why I'm asking before unassembling everything. –  SoMoS May 2 '12 at 18:55
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The LCD ribbon cable is almost always easy to get to once you have it apart, and if it's loose just pop it back into place. LCDs aren't terribly hard to replace, they're just a pain to get. –  Rob May 2 '12 at 19:19
    
@SoMoS - It's possible, yes. I am not familiar enough with the inner workings of how pixel signalling works to really answer this adequately but to my understanding and experience solid vertical/horizontal lines can be a defect with the circuits in the panel itself. It also could be the other bits, though. –  Shinrai May 3 '12 at 17:21