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one fine red vertical line on left side of iMac...

i have iMac A1311 mid 2011 and on display it has left side one red vertical line for past 2 years and other problems. i have done pram setting but still it doesn't go. to check the GPU or video fault , i connect this iMac to external display and checked and in external display this vertical redline is not there, that means i feel its the LCD or the LVDS cable problem, Please suggest what is the solution



最後更新:2017-10-06 17:50:20

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