Pc problems and help

Just running the PC doesnt take much power. Basic functions still work great im sure. When you start opening programs that have to use the sound card or vid card (espically the vid card), or just more CPU, the failing PSU cant handle it, and it shuts off. I suggest searching google for "Sisoftware Sandra" and download the lite version. Run a full system scan. Once thats done check the bottom of the report and see if you are getting any voltage warnings. You may get something called a "V-Core" warning, which is just stating the voltage being supplied to the CPU's core is too low. This is also a sign of a bad PSU, or incompatible prosessor, but i doubt there is a prosessor issue. Hope this helps.

Jam it back in, in the dark.