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Strange blank screen behaviour in Sierra - can kinda fix it but doesn't stick.

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Jun 13, 2013
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Motherboard
Gigabyte Designare Z390
CPU
i9-9900K
Graphics
XFX Merc 319 6900 XT Limited Black
Mac
  1. iMac
  2. MacBook
  3. MacBook Pro
  4. Mac mini
Mobile Phone
  1. iOS
Hi there,

I have a clean install of Sierra running using Clover. My machine is an Asus Z170 Pro Gaming with i6700 and GTX970. When I power off the machine and power on again, it goes to a blank display. I then ssh in and reboot the machine. Then I use the "nv_disable=1" keyword in Clover to get back into my machine. Once in, I run the Kext Utility (http://cvad-mac.narod.ru/) and then reboot and then everything is fine again. So what is Sierra doing to modify the system and cause it to black screen each time?

I am also using the latest Nvidia web drivers and am using the NvidiaWeb parameter in my config.plist.

Thanks,

loiphin.
 
What sysdef are you using? I had similar problem with z170 premium. Also, are you using display port 1.2?
 
iMac14,2 and DP 1.1 selected on my monitor
 
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