I just bought it last week and the screen keeps freeze and giving me red lines every time i start HD movies or iPhoto or Games. if its a hard ware issue please advise . i send many error report each time i rebot my Mac pro.
If you're within 14 days of purchase, I would suggest taking the machine back and asking for a replacement. Don't 'settle' for a repair - just tell the seller that you want the machine replaced.
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