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Black screen w/ Displayport on Intel HD 530 - works ok on HDMI - High Sierra 10.13.2

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Joined
Feb 26, 2011
Messages
17
Motherboard
Asus Z170i
CPU
i7-7700
Graphics
RX570
Hi all,

I recently sold my GTX 1060 and switched to the Intel HD 530 on 10.13.2; however, I've run into a problem. I was able to get the system working w/ full res (3440 x 1440) and acceleration on HDMI at 30hz, but I need to get Displayport working so I can output 60hz.

Relevant Specs:
  • Mobo: Asus Z170i
  • CPU: i3 6100 (Skylake)
  • Graphics: Intel HD 530
  • Monitor: Dell 3417 Ultrawide (3440 x 1440 resolution)
  • OS: High Sierra (10.13.2)
  • System Definition: iMac 14,2 (iCloud & Messages working perfect after posted fix)

Steps i've taken thus far;
  • Switched nVidia web driver to OSX, then uninstalled nVidia web driver via nVidia Driver Manager.
  • Added IntelGraphicsFixup.kext and updated Lilu.kext to EFI/Clover/kexts/other
  • Rebuilt kernel cache: sudo kextcache -i /

The system boots fine w/ HDMI, but when I try to boot with DisplayPort, I get 2/3 through the Apple Logo and the screen turns black. It's not crashing as I can switch to my HDMI cable and use High Sierra just fine, I just can't get the DisplayPort to output anything after it boots.

Thanks in advance for any help!



Just for reference if it helps, current Kexts installed in EFI/Clover/kexts/other include: AtherosE2200Ethernet, FakeSMC, IntelGraphicsFixup, IntelMausiEthernet, Lilu, RealtekRTL8111, USBInjectAll
 
Joined
Apr 22, 2015
Messages
20
Motherboard
ASUS MAXIMUS VIII GENE
CPU
i7-6700k
Graphics
Intel HD 530
Mac
  1. iMac
  2. MacBook Pro
  3. Mac Pro
Mobile Phone
  1. Android
  2. iOS
Were you able to get it to wake from sleep at all? I'm on Sierra right now, but will update to High Sierra if that fixes the issue
 
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