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Joined
Dec 18, 2016
Messages
21
Motherboard
GIGABYTE Z170-D3H-F3-Clover
CPU
i7-6700
Graphics
GTX 970
Hello,
after updating to Mojave my third monitor stopped working. It isn't seen by MacOS. Better said, the port isn't seen.
I have GTX970, ports:
- HDMI (connected monitor 1 - working)
- DisplayPort 1 (connected monitor 2 - working)
- DisplayPort 2 (connected monitor 3 - not-working)
- DisplayPort 3 (not-connected - not-working)
- and two DVI ports, not-connected

If I switch monitor 3 and monitor 2 connection, it of course works for monitor 3, cause it is connected to DisplayPort 1, which works.

I have nvidia drivers installed. Graphics section in my config.plist is following:
<key>Graphics</key>
<dict>
<key>Inject</key>
<dict>
<key>ATI</key>
<false/>
<key>Intel</key>
<true/>
<key>NVidia</key>
<false/>
</dict>
<key>NvidiaSingle</key>
<false/>
</dict>
I've also tried setting Video Ports to "6", but nothing has changed.
I've also seen somewhere, that I have to have CSM in BIOS enabled. Changed it to Enable, nothing has changed.

Please if someone has a workaround, I'd be really glad! <3
 
Joined
Nov 4, 2010
Messages
506
Motherboard
MSI TRX40 Creator
CPU
AMD Threadripper 3970X
Graphics
Sapphire Nitro+ RX 6900 XT
Mac
  1. Mac Pro
Mobile Phone
  1. iOS
Hello,
after updating to Mojave my third monitor stopped working. It isn't seen by MacOS. Better said, the port isn't seen.
I have GTX970, ports:
- HDMI (connected monitor 1 - working)
- DisplayPort 1 (connected monitor 2 - working)
- DisplayPort 2 (connected monitor 3 - not-working)
- DisplayPort 3 (not-connected - not-working)
- and two DVI ports, not-connected

If I switch monitor 3 and monitor 2 connection, it of course works for monitor 3, cause it is connected to DisplayPort 1, which works.

I have nvidia drivers installed. Graphics section in my config.plist is following:
<key>Graphics</key>
<dict>
<key>Inject</key>
<dict>
<key>ATI</key>
<false/>
<key>Intel</key>
<true/>
<key>NVidia</key>
<false/>
</dict>
<key>NvidiaSingle</key>
<false/>
</dict>
I've also tried setting Video Ports to "6", but nothing has changed.
I've also seen somewhere, that I have to have CSM in BIOS enabled. Changed it to Enable, nothing has changed.

Please if someone has a workaround, I'd be really glad! <3
There are no Nvidia web drivers for your GPU in Mojave. You are lucky you even get 2 monitors working.
 
Joined
Dec 18, 2016
Messages
21
Motherboard
GIGABYTE Z170-D3H-F3-Clover
CPU
i7-6700
Graphics
GTX 970
There are no Nvidia web drivers for your GPU in Mojave. You are lucky you even get 2 monitors working.

That's the weird thing, if I look at top right corner into Nvidia icon, I have Nvidia Drivers running and selected (but I know, that they're not working, cause of choppy animations and no acceleration).
I was just curious, if there is a possibility to have 3rd monitor running.
 
Joined
Dec 18, 2016
Messages
21
Motherboard
GIGABYTE Z170-D3H-F3-Clover
CPU
i7-6700
Graphics
GTX 970
OK, weirdest thing has just happened to me. I Re-booted my Hackintosh (done absolutely nothing to fix my issue! Just reboot to get my LAN working after sleep wake up). And third monitor has started working!!! WT*? I don't have an explanation for that, I've done nothing to get it working and haven't expected it at all.
Take a look at yourself.
6971D1h.jpg
 
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