Windows 7 10-15 minutes than freeze

Coltor

Honorable
Sep 25, 2013
173
0
10,710
After about 10 minutes windows freezes in a strange way.

Programs already open keep functioning partially, downloads freeze, web pages don't load, new programs don't open, no ctrl+alt+delete, shutdown doesn't work. No BSOD though.

I don't know what's wrong, HDD maybe? I don't think the PSU is the issue, plenty over overhead and not even a year old.

Anyone know what's wrong and how I might fix it?