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Old 07-24-2018, 07:23 PM   #2
Junior Member
Join Date: Jul 2018
Posts: 10

Just to answer my own question, I think I've found a solution!

I have upgraded to 10.13.6 (took a full backup first) and the eGPU is working lovely now.

I installed the 4.3b5 DisplayLink driver and I can now use the internal screen plus 1 over Airplay (seems fine so far, but haven't used it much yet).

My USB->HDMI adapter only works in clone mode with MacOS - probably explains why it was in the bottom of my laptop bag, but I have a USB-C to Mini Display Port adapter I've been using for ages and that works fine. It gives me two external screens and the internal screen. All in extended mode.

It's a bit like dongle heaven with all these cables sticking out but at least it works and means I can continue to use the D3100 dock for now. It's not the triple screen setup that I always used to use but thats been so troublesome over the years I had pretty much resolved to go down to two external screens anyway.

I just need to go and make sure that the DisplayLink driver doesn't interfere in any way with Apples eGPU setup.

Forgot to add the adapter link:

It's not flawless, sometimes I have to connect it a few times before the monitor wakes up but once it's away it works great. I suspect you could just use a USB-C to DP cable instead?

Last edited by Gudd; 07-24-2018 at 07:29 PM. Reason: Added link
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