Windows 10: If I Alt+Tab into a game, the fps drops a lot every few seconds then stabilizes after a...

Hello, I have this issue that I've been having and it's weird because before I upgraded my laptop to Windows 11, I do not recount this happening. Every time I Alt+Tab to another app from a game or go to desktop and come back to the game, frames would drop every few seconds and it would drop half or even more, causing terrible gameplay and agitating performance. I see this issue happen in different games, like Apex Legends, Overwatch, Valorant and so on. However, if I focus on the game long enough, the drops will slowly disappear and when I Alt+Tab the issue comes back.I'm running a laptop with

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FPS drops until I alt+tab

I have been encountering an unusual issue on my computer lately. Usually, when I start playing games, I get a solid fps around 60fps. However, after about 20 minutes, my fps drops to about 20fps. This is strange because whenever I alt+tab out of the game
and back in, my fps returns to 60fps. Thank you for reading and please help me resolve this. Please tell me if you need any information to fix this issue.

 

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.

 

drop fps every game

Hi,

You can check Preeti Patel's answer on this
link. Some users found her answer helpful. We suggest that you also try to follow the steps she provided and let us know how it goes.

Regards.