gpu crashes What is going wrong with my GPU??

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So I have an Asus Tuf laptop and it's been pretty good to me for the most part. Except when I use the Nvidia card it has for gaming. For some unknown reason it always crashes or gets close to crashing only in video games. It doesn't matter what game it is, it will eventually do one of 2 things.

 

1. Rapidly drop down to around 5 fps for an unknown amount of time then go back up to normal and repeat this cycle every 10-20 minutes until it reaches step 2. Or

 

2. Rapidly drop down to 5 fps and bluescreen within about 30 seconds generating a Minidump file linking it back to either nvlddmkm or dxgmms2.

 

The Bugcheck codes I've been getting are:

Video_scheduler_internal_error (119)

Dpc_watchdog_violation (133)

 

(119) being the more common one.

 

The temps are under control for a laptop. I've un-installed and reinstalled the gpu drivers using DDU Uninstaller. I've did a fresh install of Windows. I'm completely lost on what else to do.

 

The weirdest thing about this issue is that when it starts to happen with the wildly low fps, if I forcefully shut it down or if it bluescreens, it runs completely normal without any issue once it's back up and running for about a few hours (2-4) until it repeats.

 

Model: Asus Tuf Gaming A15 FA507XI

 

Specs:

AMD Ryzen 9 7940HS w/ Radeon 780m series

Crucial 32GB DDR5 4800Mhz

Nvidia RTX 4070m

1TB Western Digital SSD

 

It originally came with 16GB DDR5 4800Mhz ram but I upgraded it to 32GB after I got it. Could it be that the 32GB kit of ram has a fault dim that is causing this?

 

If there is any more information that is needed lmk.

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Small update:

It seems to be with frame timings when opening specific menus. With msi afterburner I went around opening menus in games and it randomly seems to shuffle on what menu it dislikes. Frame timings will spike from 3.2ms all the way up to 300+ ms. For random lengths of time. Some really short like a stutter and others being upwards of 30 seconds or more.