Automatically power off when playing games for more than 30 minutes

[Guest]

Hi, I'm new to the forum. I'm having a serious problem, I'm not much of a techie. Every time I play the game for more than 30 minutes, my computer automatically shuts down, I tried to check it but it's too hard for me.

[Administrator_MD1]

which PSU you are using ? wattage? gold or silver ?