I had better luck with one screen than two, but there is no apparent hard and fast rule. Plugging/unplugging and swapping cards leads to one inescapable conclusion, especially since the 5770 card in my other Mac Pro has also shown some flakiness problems: there is something wrong with the 2010 Mac Pro video cards that makes them just not work at times, with no apparent rhyme or reasons. The same video card is now working flawlessly again. I thought the card had failed outright, and had to swap video cards, then swap back. Yesterday evening, my Radeon HD 5870 refused to light up either screen (one 30' display and one 27' display). We can get you up and running same or next day.Ĭonsidering that a replacement 15' Mac starts at ~$3000, we asure you that if you have one of the above computers YOU DO NOT NEED A NEW MAC and we can save you a lot of money.- SEND FEEDBACK Related: computer display, display connectivity, GPU, Mac Pro, video

MacMechanic has economical solutions for all of these very capable and overall excellent Macs.

Apple no longer offers solutions at all for non-retina models and will shock you with a logic board replacement quote if you have a retina model. If you have any of the above symptoms, you are expericining a failing graphics processor.Īpple had offered an extended repair program for this particular problem which expired ant the end of 2016. No Video on the Screen Even Though the Computer Appears to be On MacBook Pro (Retina, 15 inch, Early 2013, a1398)Īre you experiencing any of the following?ĭistorted or Scrambled Video on the Computer Screen These MacBooks were sold between February 2011 and December 2013.

Some MacBook Pros may exhibit distorted video, no video, or unexpected system restarts.

Fix graphics card in macbook pro