Huge Frame Drop Affecting PC

Good day, 

I have a problem that starts appearing after the big update for season 2.

So when I play the game, everything is going well. Then suddenly, Battlefield has a huge frame drop, the sound is awfull and it's affecting my whole computer. I can do everything with the computer, but it is taking a lot of time. 

When I close the game, my computer goes back to normal and everything seems OK. 

When I re-open Battlefield 6, everything seems normal, but the game has some frame-drop every 5 sec (even in the menu), making it almost unpleyable.

The only way to stop the problem temporaly is by turning the computer off and back on, but the issue will reappaer in between 15mn-50mn after getting in a match.

My computer is a Lenovo Legion Pro 5i Gen 10 Intel with a Intel Core Ultar 9, 32 Ram and a 5070 RTX TI.

I uninstall the game and reinstall it, change the settings and some others things, but nothing have worked.

Thank you in advance,