awaken computer from sleep mode

after starcraft 2 patch 1.1 my computer went to sleep and will not come back on i tried reseting via powering on and off both with the power button and the on off switch on my surge protecter both times the computer powers on for a few seconds then returns to sleep mode and will still not come back i also tried inserting a dvd to activate the autoplay function but that also failed to work any suggestions ? is this a known issue with any virus?

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