[Bootcamp] Dual-Display setup is very unstable and crashes on Win 10
 
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[Solved] [Bootcamp] Dual-Display setup is very unstable and crashes on Win 10  

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Dyrsin
(@dyrsin)
New Member
Joined: 1 year ago
 

Hello,

Context

Two weeks ago, I decided that my mac needed some cleaning, and went for a full clean install of macOS Catalina on my 13" late-2016 w/TB MPB (the dual-core one). When that was done, I took some time to reinstall my Bootcamp eGPU setup. I basically followed the instructions at the bottom of this guide, the difference being I needed a DSDT override, which I got using this other guide. Pretty neat and easy, and everything seemed to be working.

The Problem

After NVIDIA drivers where installed I rebooted into Windows, and immediately realised something was off when I saw some short and thin white pixel lines scattered at random places on the screen. I logged in, opened a few app windows to install some stuff I needed, and then my screens just stuttered and went black. The screens started going haywire, turning on and off at random intervals, until at some point, the fans just stopped and my computer had shut itself down.

Here [00:57] is a video that illustrate what I mean (yes, I filmed on a potato. Sorry).

The behaviours in the video which are unusual, is the weird empty Windows Vista-esque frames some applications have, the screen turning off by itself, the random intervals when screens are off and on, and the lag spikes just before a "crash" occurs.

Some extra details that are noteworthy:

  • Device Manager shows my RTX 2070 Card perfectly fine, with no errors.
  • CPU and RAM usage is normal.
  • All peripherals work fine, same as my External HD.
  • I am running NVIDIA driver version 442.19
  • I am running Windows 10 Home 1809
  • Before the clean install, is was running 1809 and macOS Mojave.

I've gone through (most) of the forums and haven't found anything really helpful and certainly not something that has worked (you know, or I wouldn't be here.). If ever there is a forum page I could have missed with this issue, I would much appreciate some re-direction :). Any help would be greatly appreciated. Thank you in advance!

Razer Core XNVIDIA RTX 2070 • 2016 MacBook Pro 13" w/Touch-Bar (i5 @2.9GHz Dual-Core) • ASUS 1920x1080p @60Hz (Secondary) • MSI MAG241C @144Hz (Main) • LaCie External HD


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itsage
(@itsage)
Illustrious Member Admin
Joined: 3 years ago
 

@dyrsin,  Are you booting into Windows through automate-eGPU EFI boot loader? Is Device Manager showing "Large Memory"? The video indicates setup was a success but there's complication with either drivers or the graphics card itself. I spotted a Razer Core X so power is not a concern. Is the RTX 2070 new?

 

external graphics card builds
best laptops for external GPU
eGPU enclosure buyer's guide


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Dyrsin
(@dyrsin)
New Member
Joined: 1 year ago
 

@itsage, yes, I am booting using automate-eGPU EFI. The device manager does correctly show the Large Memory entry. The RTX 2070 was purchased in February 2019, and was working perfect in my first eGPU setup before the clean install, which I mentioned in the extra details section of my post.

Thank you for the speedy reply!

 

Razer Core XNVIDIA RTX 2070 • 2016 MacBook Pro 13" w/Touch-Bar (i5 @2.9GHz Dual-Core) • ASUS 1920x1080p @60Hz (Secondary) • MSI MAG241C @144Hz (Main) • LaCie External HD


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itsage
(@itsage)
Illustrious Member Admin
Joined: 3 years ago
 

@dyrsin,  I would say to run DDU and remove all Nvidia drivers. Maybe try an older version such as 441 and see if you still get the same visual glitches and crashes.

 

external graphics card builds
best laptops for external GPU
eGPU enclosure buyer's guide


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Dyrsin
(@dyrsin)
New Member
Joined: 1 year ago
 

@itsage,  ok, so, I downgraded to NVIDIA driver version 441.87 and it has fixed my problem. I have done three reboots and the issue hasn't shown up. Very weird issue though. Can't thank you enough for your help! 🙂

Edit: never-mind. My computer just crashed again when I clicked on the send button.

 

Razer Core XNVIDIA RTX 2070 • 2016 MacBook Pro 13" w/Touch-Bar (i5 @2.9GHz Dual-Core) • ASUS 1920x1080p @60Hz (Secondary) • MSI MAG241C @144Hz (Main) • LaCie External HD


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Dyrsin
(@dyrsin)
New Member
Joined: 1 year ago
 

@itsage, i have finally solved my problem, even though it has taken me WAY longer than i thought it would. and the solution to my problem undermines my efforts even more.

it turns out (i assume) that the top-right tb port i was using might be broken. i decided to try and plug the eGPU in the bottom one, and everything works fine now. i feel quite dumb but at least i got it to work.

thank you for the speedy support last week and hope you have a great day/morning/evening!

 

Razer Core XNVIDIA RTX 2070 • 2016 MacBook Pro 13" w/Touch-Bar (i5 @2.9GHz Dual-Core) • ASUS 1920x1080p @60Hz (Secondary) • MSI MAG241C @144Hz (Main) • LaCie External HD


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