Question Monitors go black and must restart

May 6, 2019
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The machines will shut off the monitors and not be responsive until I force restart them. The problem is repeatable in some of the machines. When we use the rendering program Keyshot, if a file is saved, or if performance mode is selected; the monitors instantly go black and the computer needs to be restarted.

They have the following components: (A) and (B) versions have slightly different components where noted.
AMD Ryzen Threadripper 2990wx (32 Core 64 Thread @ 4.2GHz)
(A)MSI x399 Gaming Pro Carbon AC / (B)MSI x399-SLI-Plus
16GB DDR4-2666 (2 x 8GB Kit)
nVidia Quadro P2000 5GB
Windows 10 Pro
1TB Solid State Drive (SSD) - M.2 - NVMe
(A)1000W Dual ATX & EPS 12V Power Supply/ (B)750W Dual ATX & EPS 12V Power Supply

These are custom built machines, from an online reseller. I have updated BIOS' and graphics drivers and still have these issues.

Any advice or steps to take to remedy this would be very helpful.