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Vertical Colour Bars on Wake

Mac Basics and Help - MacRumors Forums - forums.macrumors.com
Hi everyone!

It seems after a long period of time when I wake my MacBook Pro 13" Mid 2012 from sleep the screen fills with vertical colour bars for just nearly a second. I just replaced my SSD and upgraded the RAM. Would this be a problem?

Thanks for the help!

 


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