Vista Home Premium 64 bit with SP1
NVIDIA GeForce 9200 Video Card
Super Multi-format DVD+RW Labelflash
Intel Pentium Dual Core E5200
6 GB DDR2
640GB Hard Drive
and.. It keeps shutting off randomly. No warning, not a restart, just completely off. It's taken me 3 times to post this because it keeps shutting off. Please help!