The brightness of the screen at max is about 40% of the usual maximum. If I'd got USB C - HDMI to work, then this wouldn't be such a big problem, but no luck so far. The brightness do go down with the buttons too, but the darker brightness options are unusually dark, non readably dark.
This happens after the verbose/apple logo, and I believe it is when it moves to using the iGPU.
I put in some time and updated all the kexts and opencore to their latest versions, most of them.
The brightness of the screen at max is about 40% of the usual maximum. If I'd got USB C - HDMI to work, then this wouldn't be such a big problem, but no luck so far. The brightness do go down with the buttons too, but the darker brightness options are unusually dark, non readably dark.
This happens after the verbose/apple logo, and I believe it is when it moves to using the iGPU.
I put in some time and updated all the kexts and opencore to their latest versions, most of them.
Specs and info: