Question Getting a black-screen crash. How to diagnose?

Jun 14, 2021
Using a new PC that I built about a week ago with no issues for the most part, but I have been getting a black screen for some reason when I'm playing Arkham Knight. In the middle of the game, the screen goes black and my keyboard's light also goes off like they're turned off, but all the fans in my PC is still on and so is my speaker, but there is no audio.

I used MSI Afterburner to look at how things perform and i'm pretty sure cpu temps always stay around 60 ish, with frames staying around 40, all with low settings, and used radeon software to make sure i have the latest driver(s). I'm just not sure where to start to figure out what the issue is. I tried to look it up on forums and google and surprisingly found someone mentioning somewhat similar issue?

Went into the bios but i don't know where the max cpu setting option is, or if it really is my issue to begin with ?

CPU: Ryzen 5 3400g
Mobo: b450 tomahawk max II
Ram: Samsung 970 EVO
Storage: Kingston HyperX Fury 16GB 8x2 DDR4 3200 XMP enabled
PSU: Super Flower Leadex III Gold 750W
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