Laptop G62 white screen after replacing the lcd cable to the board

Hello
i have replace de cable that goes from lcd tp the board and now i get a white display ...
what could be wrong when i was moving the hinge before i was loosing the screen but now it's only white and external screen don't display anything
Thanks

There
http://www.ebay.ca/itm/360904670472?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649
the funny thing is i just replace de cable ....
Thanks

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