iMac Vertical Lines Repair › Forums › All Forums › Repairs and Issues › After GPU repair issues (R8911 removal) › Reply To: After GPU repair issues (R8911 removal)
November 2, 2017 at 1:34 pm #1313
No questions are stupid 🙂
Nothing happens at all when pressing F1/F2. In Display Settings the option “Automatic adjust brightness” has gone, and as written above, the Brightness adjustment as well.
One of the machines is now reinstalled with El Capitan. I hope to figure out what differs compared to High Sierra.