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Discussion in 'Mac Pro' started by mavericks7913, Apr 22, 2017.
After I update to 10.12.4, that happened. Any idea?
HD5870. Now Im not able to use RX 480 in 10.12.4 so I'm not sure about that one.
The stock Apple HD5870? Did you check if the cable and monitor are normal?
It only happen in 10.12.4?
If you boot to recovery partition, everything is normal?
This fault can be reproduce every single time? Happen straight away boot? Or suddenly happen in random manner?