FPS issue

I used to get 120 fps on my games, and especially modded Minecraft, and recently I reset my pc and when I went back to play my games the fps wouldn't go above 20 fps, I remember when i first got the pc I had an online friend to help me with changing some settings, but I'm no longer in contact...

My hp omen 15 gaming laptop decreased so much in performance i even upgraded to ssd and ran many anti viruses. Still nothing happened. I was play MINECRAFT BEDWARS then it suddenly got from 180FPS down to 9 and it barely even passed 25. GPU: RTX 2070 SUPER MAX-Q CPU: INTEL I-710750H 2.6 SPEED...

My laptop is HP Pavilion - 15-cc502ne I bought it in 2017. After a year and a half, my 2 TB harddisk burned, which I understood something was wrong with it but didn't know much what happened. Then after a few weeks battery was swollen too I told maybe because I used that semi burned harddisk...

Hey Y'all, I'm in a bit of a situation. Recently I purchased the Lenovo-Y50 laptop (got it a few days ago) and I am very confused as to why the frame rate on games such as Call of Duty: World at War and Minecraft are not above 60. I have done some researching but I can't seem to fix this issue...