Originally Posted by Big_Philly
My PC used to crash and reset itself due to an insufficiently powerful PSU, but as far as I can tell the PC components weren't damaged. However I replaced the PSU after it happened maybe about 5 times with a 550W PSU :) I have a power-thirsty graphics card for when I make 3D models (or play games).
some PCs do have safety systems built in like this. The PSU in this one i think is like 720w or something. It was actually cheaper than the 650w one which was nice.