NVIDIA eGPU + macOS Mojave: eGPU powers internal mac display, but not external monitor  

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(@adam_reis)
New Member
Joined: 2 months ago
Posts: 2
October 9, 2018 6:22 pm  

Hi all,

I've got a brand new 2018 13" Macbook Pro running macOS Mojave 10.14 coupled with an NVIDIA GTX 1080 in a Sonnet eGPU enclosure. I just set everything up with the purge-wrangler.sh script and, while progress is promising, I'm not out of the woods yet.

What's working as expected:
- Mac recognizes eGPU in system overview
- eGPU powers internal mac display

What's not working:
- Although my external monitor recognizes some video connection, it's blank. I've tried plugging it into the 1080 via DP and HDMI; both resulted in a blank screen. My computer still recognizes the screen, and I can choose to mirror with it or extend my desktop, but no matter what nothing shows up.

Any debugging ideas/advice?

Thanks in advance for your help, and all the community support involved in making this work. I'm deeply appreciative and impressed!

Soon I will add my system & eGPU details or a build link to this my signature to give context to my posts


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goalque
(@goalque)
Noble Member Admin
Joined: 2 years ago
Posts: 1315

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nanoBit
(@nanobit)
Trusted Member
Joined: 11 months ago
Posts: 97
October 9, 2018 6:30 pm  

Most innovative debugging idea: wait for official drivers. The purge-wrangler script works just more or less for the nVidia+Mojave-combination, because it just tells the driver that High Sierra is installed. That causes driver issues like you're experiencing.

Setup: MacBook Pro 2018 15" 2.6GHz Radeon Pro 560X on macOS 10.14 & Windows 10 (Bootcamp); Sonnet eGFX Breakaway Box 350 with a Zotac GTX1080 AMP! Edition


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Enzdude
(@enzdude)
New Member
Joined: 2 months ago
Posts: 4
October 9, 2018 7:26 pm  

I have the same issue. It goes away when booted in safe mode however.

Soon I will add my system & eGPU details or a build link to this my signature to give context to my posts


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(@adam_reis)
New Member
Joined: 2 months ago
Posts: 2
October 9, 2018 9:36 pm  

@goalque, @nanoBit: Thanks for your quick, spot-on answers. Believe it or not I did search before posting, but clearly missed this. Will happily wait for a fix.

@Enzdude: I'll give it a shot!

Soon I will add my system & eGPU details or a build link to this my signature to give context to my posts


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(@luis_a_rascon)
New Member
Joined: 2 months ago
Posts: 2
October 29, 2018 1:21 am  

Any drivers out there for a Macbook Air  with an external NVIDIA EVGA 1050ti ?

Soon I will add my system & eGPU details or a build link to this my signature to give context to my posts


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