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meygraph

macrumors newbie
Original poster
Apr 16, 2018
8
0
I do not know why I've encountered this problem.

I tried a lot and talked with Apple, but this problem continues.

Please watch this video ( Screen Recording | When i was working ):


How to fix it ?

- Reset NVRAM = Done
- Reset System Management Controller ( SMC ) = Done
imac 5k 2017 = Version 10.13.4
 
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