left vertical lines on the screen mac book pro 15, left vertical lines on the screen mac book pro 15

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left vertical lines on the screen mac book pro 15, left vertical lines on the screen mac book pro 15

i was working with my new mac book pro 15" and suddenly several vertical lines on the left hand side of the screen appeared after three hours without doing nothing

MacBook Pro with Retina display, OS X Mountain Lion (10.8.4)

Posted on Jul 22, 2013 5:40 PM

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Answer 1

mario49

Community Specialist

Jul 25, 2013 6:25 AM in response to CATASK8

Hello CATASK8,

Thanks for using Apple Support Communities.

For more information on this, take a look at:

About NVRAM and PRAM

http://support.apple.com/kb/HT1379

Has to do with screen resolution settings.

Best of luck,

Mario

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