My computer shuts down randomly.

I was working on my computer with various programs open (arcmap, arccatalog, google chrome, outlook) when my computer screen suddenly when black and went straight to bios and got to the "start windows normally" screen. This happened when I was trying to print a document wirelessly to my printer and...

i can be doing any thing on my pc and it will shut down with out blue screening then restarts. i have checked cpu and gpu temps all look ok and have done memtest on each stick which came back with a pass. any help would be much appreciated.

My PC randomly shuts down with no warning. This has happen 3 or 4 times over the last couple of years. I have done everything I can think of. I uploaded a video of what happens. http://www.youtube.com/watch?v=O4Lt9y9-bgg&sns=em. Has anyone ever had this problem?

I bought a new desktop in January. In March it started to just randomly turn off. Dell replaced all the hardward in April. In may it started turning off again. I don't have any viruses, I have plenty of memory and I am thinking the culprit must be the OS....so what now? How can I find out if...

For some reason my Laptop shuts off randomly. I have no BSOD. Its like I held down the power button. Is there a setting that make your computer shut off after an amount of time or could it be a..... VIRUS :shock: