- Mar 26, 2011
- 3.0GHZ Intel
- HD 6570
- Classic Mac
- Mobile Phone
You could try changing it (with Multibeast) to iMac12,2 and see how you get on.
It's easy enough to revert if you don't like it.
appears i got it, did a fresh install of mavericks 10.9 to make sure.
for the install, changed enable internal graphics to AUTO, then after the install, changed it to YES, now auto/manual sleep i no longer get the black screen. hopefully this will help.
- Init display first: PEG
- Enable Internal graphics: Yes (even though I don't use it)
- Internal graphics standby mode: No
- Internal graphics deep sleep: No