Posted on by Wil Nelson iMac Vertical Lines Repair › Forums › All Forums › Repairs and Issues › After GPU repair issues (R8911 removal) › Reply To: After GPU repair issues (R8911 removal) February 4, 2018 at 5:50 am #1739 Wil NelsonParticipant Retrograded to Sierra 10.12 and all is fine. Sleep works, as AMD GPU is “not recognized’ no need to run Adams mod again. Posted in
