Why is my FPS suddenly low?

Related questions

1. Does monitor size affect FPS?
2. How does monitor refresh rate affect FPS?
3. Do 2 monitors decrease FPS?
4. Does lowering desktop resolution affect game performance?
5. Can 60hz monitor run 100 fps?
6. Is it better to have VSync on or off?
7. Are 2 monitors worth it?
8. Does Extended Display affect performance?
9. How do I show FPS on desktop?
10. Is screen tearing noticeable?

Tags

1. #suddenly
2. #conserve
3. #drops
4. #caused
5. #slowdowns
6. #battery
7. #these
8. #sometimes
9. #running
10. #power
11. #playing
12. #sudden
13. #while
14. #overheating
15. #frame
16. #attempts
17. #quite
18. #where
19. #situations