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after 5 min apear on my sreen check signal cable!!!

after 5 min apear on my sreen (check signal cable)!!!!

all cables been checked well but the msg keep coming and i only have to turn off from the power..

i m using Lg screen if thats help??

iMac, using LG screen.

Posted on May 5, 2012 5:57 AM

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after 5 min apear on my sreen check signal cable!!!

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