Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

#efi

  1. X

    MP 1,1-5,1 Mac Pro 5,1 wont display with any gpu, please advise.

    I have what was a fully functioning mac pro 5,1 that I was preforming a 3rd deconstruction and deep clean of the machine. After putting all the pieces back together I went to test the machine and to my surprise the gpu (ati HD 7850 3gb) fans went full boar with no signs of life. I did some...