New Build crashing ONLY in PUBG

[RobinHood5]

New custom water cooled build Ryzen 2700x / 2080ti that I ran air cooled fine for a couple weeks, and ran fine for a few days after liquid cooling (after tracking down some issues stemming from PSU). Today, within a couple minutes of playing PUBG the screen goes black and the monitor says that it's going to sleep, so it lost connection to the GPU. However, noises still play through my headphones and the discord call even continues. I have run Aida64+Furmark for an hour with no issue. I have played Battlefield V for an hour without issue. 

 

I've fully uninstalled and reinstalled multiple versions of the driver

Updated my BIOS

Uninstalled and reinstalled PUBG

Monitored temps (all within reason)

Reset everything possible to reset back to factory.

Reseated the riser cable going from the motherboard to the GPU.

 

The issue itself feels very hardware related to me, I'm an experienced technician but am at my witts end looking for outside opinion.

 

Bonus glamor pics of the new build.

 

[Enderman]

A windows reset is not the same as a clean install, you could try doing that.

Also reduce variables by unplugging unnecessary USB devices or extra monitors.

[RobinHood5]

2 minutes ago, Enderman said:

A windows reset is not the same as a clean install, you could try doing that.

Also reduce variables by unplugging unnecessary USB devices or extra monitors.

Only bare minimums plugged in. I haven't tried a full reset of windows yet but that'll probably be next.

[Enderman]

Just now, RobinHood5 said:

Only bare minimums plugged in. I haven't tried a full reset of windows yet but that'll probably be next.

Ok, I mean don't do a reset, do a clean isntall

[RobinHood5]

2 minutes ago, Enderman said:

Ok, I mean don't do a reset, do a clean isntall

Yep, for sure. 

[RobinHood5]

2 hours ago, Enderman said:

Ok, I mean don't do a reset, do a clean isntall

As expected a clean install did not resolve the problem. Requesting a new riser cable from Phanteks. May start the RMA on the 2080ti.

[Enderman]

1 minute ago, RobinHood5 said:

As expected a clean install did not resolve the problem. Requesting a new riser cable from Phanteks. May start the RMA on the 2080ti.

If you have a friend or something maybe ask them to borrow their GPU to test and ensure that that is the problem.

Also, why do you need a riser cable? Have you tried without it?