Randomly dying computer

[spacetime]

I have recently been running 10 or more tables, PT, PA and sometimes surfing the web. I also have my computer, 2 monitors, a printer, a modem, a hub and a camera hooked up to my power cord which is hooked up to a standard outlet.

Since I have begun doing this amount of poker, I have had my computer randomnly shut off. Playing like normal and it dies and I have to restart it. I have never had this problem before.

My computer is 3.4ghz, 1.5 Gb RAM, running 2 monitors.

I assume my computer should be fine with all of this, or is it a problem with the power source?

Thanks for all responses.

[spacetime]

ttt

[spacetime]

anyone? any ideas?