pastrychef
Moderator
- Joined
- May 29, 2013
- Messages
- 19,458
- Motherboard
- Mac Studio - Mac13,1
- CPU
- M1 Max
- Graphics
- 32 Core
- Mac
- Classic Mac
- Mobile Phone
Oh I was so happy for a few minutes there! After updating, there is some extreme graphics weirdness. Flickering, segmenting when I move the mouse. I still have the graphics card out, so I will see if it is resolved with that put back in.
Make sure you are using iMac18,1 system definition and that you have assigned 64MB or more to IGPU in BIOS. with that, your screen should not flicker.
If you use your video card, you should use iMac18,3 system definition.