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Bootcamp Mac to EGPU Nightmare  

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EdJames
(@edjames)
Active Member
Joined: 9 months ago
 

MacBook Pro (15-inch, 2019)
2.3 GHz 8-Core Intel Core i9 | 16 GB 2400 MHz DDR4
Mac OS Catalina V10.15.4 (19E287)
Bootcamped Windows 10 Version 1903
Discreet Radeon Pro 560X 4 GB

Integrated Intel UHD Graphics 630 1536 MB

  • Connected to Razer Core X Chroma via Thunderbolt 3
    • Housing a Radeon RX Vega 64 Nitro+ Graphics Card
    • USB to Razer Huntsman Keyboard
    • USB to Razer Basilisk Mouse
    • USB to Razer Base Station Chroma
      • USB to Razer Seiren Microphone
    • USB to Razer Kiyo Webcam
    • Connected to Samsung CRG9 Monitor from DisplayPort to DisplayPort

Firstly, this all works splendidly in Mac OS, full plug-and-play.

But on Bootcamp, I have tried everything I can think of. Whilst 1903 got rid of the issue with Error Code 12 on latter Windows versions, (Problem 1) I have never been able to get the EGPU to put a picture on the monitor. It triggers it to turn itself on, as though some signal is being received, but after flicking through inputs and finding nothing, it turns itself of. 

In the latest Windows, the EGPU and graphics card showed up, correctly named in Device manager, but with Error 12.

(Problem 2) In 1903, I cannot get it to recognise the Vega 64 with the correct drivers. When hot-plugged it just shows the generic driver name for Windows and there is no sign that the EGPU is being used. Bootcampdrivers.com and AMD drivers, use their respective setup.exe files, just seem to target the discreet Radeon Pro 560X.

I'm pulling, what little hair I have, out.

Can anybody help me work out what's going so badly wrong, please?

2019 MacBook Pro | Razer Core X Chroma | Sapphire Nitro+ Vega 64


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EdJames
(@edjames)
Active Member
Joined: 9 months ago
 

After a week of torment, I finally managed to get this working at 2am this morning!!

The only difference? I unplugged all of the USB connections from the EGPU when going through the steps. 

Plugging them back in, once configured, leads to some issues where they sporadically cut out (mouse goes dead, webcam doesn't update), so still some investigating to do!

2019 MacBook Pro | Razer Core X Chroma | Sapphire Nitro+ Vega 64


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