m15 R3, terrible FPS

I read a thread on here about the same issue, and my problem too went unsolved. This 2021 laptop is terrible, I would not recommend this laptop to anyone under any circumstances. For the first year I had this laptop everything was great, I could run most games at High to Medium settings and still get at least 80fps most of the time it would be around 120 or 144 though. Then one day while Playing Ark: Survival Evolved on the lowest possible settings my FPS tanked to 39 and hovered in that range until I restarted my laptop. 15 mins later basically on the dot it happened again. The computer stays in the 35-42 FPS range in game and only increases to about 80fps in menus. I have tried EVERYTHING. I factor reset my computer. I uninstalled my graphics driver, I made sure they were up to date. I made sure all of my settings were set to performance, I even had THE ENTIRE HEAT SINK REPLACED. The problem persisted even after all of that. The screen has also been replaced to see if that was an issue (it wasn't) fans are on max speed, I have never used overclocking since that void's the warranty. I have done everything. Vents are spotless and this stuff still happens. GPU temp NEVER exceeds 75 degrees so I am not thermal throttling. VRAM usage is moderate around 70% in game, GPU usage never exceeds 85%, CPU usage never exceeds 85% either. Its not a thermal issue its a hardware issue and I wish I never bought this thing. Waste of $1,200. Before any expert replies with "fan issue" or "clean your laptop"  I will reiterate I have done that already. MANY TIMES. I've taken in to professionals every single time and had them do it and my fans were never really that dirty. The thing charges fine I never get any error messages or anything. Its all games except Minecraft where my frames dip to 35-40 and stay there. If there is any fix to this Ill be shocked.