Reboots instead of ShuttingDown

[dragonrider]

Hi, my computer is rebooting automatically when I tell it to shutdown (hopefully this is the right forum/thread). This issue started after I set up my computer after I moved. I do not recall installing anything right before the move, although I had been fighting with my wireless card.

X58 ProE mobo
i7-930
NVIDIA GeForce GTX 470
Win 7 64-bit

It appears to do a complete shutdown (fans power down, lights off), then suddenly reboots. I did notice today that the Suspend light stays on.

Things I have tried:
unplug/repluging/checking connections
update drivers and windows SP
shutdown from start->shutdown, from power button, from cmd line
selective startup with all programs disabled
browse through BIOS, nothing stood out
safe mode (still rebooted)

I noticed in the menu to get to safe mode that "Restart upon system failure" was an active option, so maybe something is failing during shutdown? But I don't know how to determine what.

Any help/ideas are appreciated, thanks!

 

[Wonkanoby]

turn that off and you should get a bsod that might point to whats going on

 

[Henry]

What PSU, RAM do you have? All components you have installed in the PC for that matter.

 

[dragonrider]

Problem  fixed, wireless card was affecting shutdown somehow.