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Black screen on 4k res. (actually anything above 2k)


krs360
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Hello people!

 

Anyone have experience of their 4k monitor not working correctly on OSX?

 

I don't seem to be able to use anything above 2k without getting a black screen. The machine is still on and working fine as I can VNC into it and change the res back to 2k.

 

  • Using Display Port cable, the monitor is DP 1.2 so there's no issue there.
  • Works under Windows @ 4k 60hz just fine.
  • Nvidia Web Drivers installed with acceleration enabled.
  • Using Clover as the boot loader.
  •  

Any ideas?

 

Thanks!

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probably your smbios, you forgot to mentioned what smbios or system definition are you using

 

i have a 4k monitor with an nvidia 1080 card and not only do i get 4 k resolution but also 5k and 6k

 

go to above and beyond the monitor native 4k resolution i use switchresx

 

Hello,

 

Ah yes, I have tried 5.1, 6.1, 14.1/2 I believe

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