[HELP] My game screen turn white

[Stupidduck]

Before I install a new operating system (well, I want to upgrade my laptop to 64bit, but I just have a 32bit :)), stardew valley still ok. But after that, I can't play Stardew Valley. In day 1, when I play about 5 minutes, my screen turns white and I can see anything.

 

[Birke]

same, only my screen is completely white, I still hear the game progress though. My Laptop is reallyweak, so that is probably related : /