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The original was posted on /r/sffpc by /u/Frosty_Beasty on 2023-08-18 14:50:37+00:00.

Hi,

I bought a new Ryzen 7 5800x3d and an open box ASRock Radeon 7900 XT from MicroCenter ($1000 total) to replace my current cpu, Ryzen 5 3600, and GPU, RTX 2070 Super. In the NZXT H1. I installed the parts last night, but I didn’t remove any old drivers beforehand.

When I booted up the pc, the resolution displayed on the monitor was completely stretched out, which I realized were from driver conflicts. I then DDU’D my pc and after a restart, and installing new drivers via AMD Adrenaline everything seemed fine until I started playing games to test. I first tried BattleBit and I got anywhere from 20-100 FPS on max settings at 1080p. There was a lot of stuttering and I could see that the graphics weren’t rendering properly. I then tried Elden ring, and that was pretty much the same, <20 fps.

MSI Afterburner showed the CPU barely being utilized, 5-10%, while the gpu was quite high. What concerned me was the lack of power the parts were drawing, The cpu seemed to be capped at 50Watts and the gpu never went higher that 150Watts in game. I have never checked how much power parts have drawn before so I have nothing to compare it to. Memory clocks on Afterburner showed the gpu never going above 1000MHz.

Then I tried reinstalling Windows 11 and new driver, and after that long process, I got the same results.

Does anyone have any suggestions. When I get home I’m going to try replacing the CPU’s and GPU’s to see if they are not working. Could it be the 750W PSU that comes with the H1 is simply not enough?

Thank you for any help