We'd all be guessing without that info.
Dafydd.
After some time using my computer, it'll freeze. I thought I had out dated drivers but I didn't. I then thought that the graphics card was defect so I replaced it with a different begins card and it still froze. Then I thought it was a ram issue so I took out one ram stick and kept the other one in and it still froze. Then I thought it was the SSD so I unplugged the SSD and reinstalled windows on hard drive and it still froze. I don't know what the problem could be and I'm freaking out.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic