Windows 10: Sudden FPS drops in Valorant

I've been experiencing this problem for a while where when I launch the game, I get good and constant frames 100+. But my frames always seem to drop around 5 minutes after opening the game; usually to 40-55. I have tried optimizing my game as much as possible but this problem has continued.Specs:8GB ram 6 usable.AMD Ryzen 5 3500U with Vega Mobile Gfx.

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Sudden FPS drop/Stutter

Since 2 days ago, I just turned on my Computer, and it starting having issues while I was playing Witcher 3 (starts with decent fpsm and then very low fps, dropping to 35, then 20, and stopping at 12 or so, in a matter of seconds, in a matter of 1min of starting the game), also stuttering without any high demanding programs, randomly. I was playing at 45-60 fps, without any stutters or sudden fps drop. Have tried other games the issue persists. Even setup everything to low settings.
I have ran several tests with several tools, all seems normal, no sudden memory spikes, or temperature raising out of the ordinary, nothing that would indicate such an fps drop or stuttering.

MSI Afterburner

I also did the reset option on Windows10, completly cleaned out all my personal info from the windows partition.
So at this point, I am not sure if it is a software issue or a hardware issue.
Any suggestions are greatly appreciated.

Edit: I kept doing some tests to find out the issue. And this happened before and I was able to replicate it. Same thing happened as before, till I set it up to fullscreen, Alt+Tab from the game and then back to the game, FPS went up to 50 again, stable and good, dropped after a couple of seconds. After a bit it went to 2-5 fps, and I had to shutdown the game, because even the sound was getting messed up.

MSI Afterburner 2

In this image those ups and downs in the GPU usage are when the fps dropped really hard and the sound got messed up.

 

Valorant Lag after 21H1 Update

So I'm having huge fps drop spikes on VALORANT whenever someone fires a gun and I'm so irritated by that. Before I even update my windows, it doesn't lag at all, I'm getting the usual FPS when I fresh intalled Valorant because I quitted for 2 months after getting an error in the game. And now, I played 1 game on it before I update windows and it doesn't lag, but after I updated it manually, it does this lag on Valorant. My PC becomes smooth but Valorant had fps drop spikes and I can't play it.

 

Sudden FPS Drops on Windows 10

So I have had this Dell G7 15 Gaming laptop for about 4 months and have been playing games on it since the start. About 1 month ago I started encountering sudden FPS drops on one of my games and ignored at first. But the problem was very consistent I would
face FPS drops about every 5 mins with frame rates sometimes dropping to as low as 10 for a time period of about 15 seconds.

At first, I thought this was a problem I was facing while playing only 1 game but soon I realized that the problem is not with the game but with windows itself since I'm facing the same problem on every game.

I tried many solutions including updating my driver, reinstalling my driver, reinstalling my game, lowering my graphics setting and changing my Registry settings however nothing is able to solve this problem and now my game would not even go beyond 40 FPS
while it was running on 120 about a month ago with no problems.

I'm considering resetting my laptop in hopes of going back to my previous setting with this being my last option before I do so. Please help.