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


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.