My PC is three years old. When I start my PC, it restarts after 1 hour or some time when I start a game. It goes into a safe mode and gets hanged. I want to upgrade my RAM and graphics card, need guidance for same. I want to install SSD and also have 1TB existing HDD. Need I format my PC and install, or I can directly install new SSD and transfer my windows files to SSD.
Well, first you must discover why it hangs when you play games. I suspect this is something to do with the processor cooling system. We must do work on your computer.
Could you please check is the heat sink paste still ok or is dried out and needs to be replaced.