iMac Vertical Lines Repair Forums All Forums Repairs and Issues After GPU repair issues (R8911 removal) Reply To: After GPU repair issues (R8911 removal)


I have installed Sierra and High Sierra on the same machine and the result is in the ZIP file. There is no difference. So, it have to be something else.
On the other MacBook I have followed the procedure carefully (Before and after removing R8911) and it acts in the same way.

  • This reply was modified 6 years, 5 months ago by OZ1BV.