- Joined
- Sep 21, 2010
- Messages
- 13,246
- Motherboard
- Gigabyte Z690 Aero G
- CPU
- i5-12600K
- Graphics
- RX 6800 XT
- Mac
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- Classic Mac
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- Mobile Phone
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Yes, I installed El Capitan and Sierra with the graphics card installed. The only advise I can impart to you is to review my installation procedures and see if you left out a step. When I was a beginner, I printed out the guide and checked off each step as it was accomplished.