1080ti low usage and low frames in game help!

[carsonschnell]

Okay computer gurus here we go!
I have a new rig(specs below) and it has been doing fine for a month, but now all of a sudden I am getting very low frame rates in games(19-30 fps) on any settings....that before were running smooth 120+ fps on high to ultra settings. My GPU utilization hovers around 30-40%. My CPU seems to do fine and has no sign of throttling.
OS: Win10
CPU: i7 8700K
GPU: Asus ROG STRIX 1080ti 11GB
Mobo: Asus ROG STRIX Z370-E
RAM: 1x DDR4 16GB
SSD: Samsung 500gb
PSU: Corsair CX750M
Moniter: 32in Acer Predator 1440p @ 165hz

I have no overclocking settings active and I have all updated drivers and updated bios. I have assured that my power settings are all set to performance. I use gsync (vsync off) and use 'gaming mode' in GPU Tweak II. Its been kinda frustrating and I have been trying to diagnose/fix the problem all day. Like i said, the rig ran fine not long ago on these same settings and was using the GPU fully.

 

[Anonymouselite5]

What games? or is it just every game?
Just things to check is: your window settings e.g. window borderless/fullscreen. Changes things sometimes.
GPU clocks are stable and not jumping up and down etc.
Motherboard PCI-e bus speed settings?
Try older drivers? Overheat?
If you can install MSI afterburner and get a look at some of the graphs to see if you can work it out.
Also nothing changed between those times?

Other than that, got me stumped. Get back on some things and let me know what you find.