Why your PC won't turn on and 10 ways to troubleshoot your Windows computer

If your PC won't turn on, you can fix it with a few steps. Here are 10 common ways to fix a Windows computer that won't power ...
Ars Technica

Why does my computer only turn on once unless I unplug it?

brand new computer:<BR><BR>Core 2 Duo 3.16 Ghz E8500<BR>OCZ Vendetta 2 CPU cooler<BR>Asus P5QC motherboard<BR>OCZ DDR2 PC2-8000 2x2048 platinum edition<BR>Asus EN9800GT 512<BR>Samsung 750GB x ...