- Joined
- Jan 3, 2011
- Messages
- 33
- Motherboard
- GA-7ZZX-UD5H
- CPU
- i7-3770K
- Graphics
- HD4000
- Mac
- Classic Mac
- Mobile Phone
I upgraded and now when I boot I just get a black screen after the apple logo... if I push the power button, the fans shut off; if I push it again, the system wakes up and video works. Any suggestions? I have an old Radeon 4600, which may be the issue?