black screen blinking underscore

May 21, 2011 at 16:51:07
Specs: Windows Vista
whenever computer is booted it gets a black screen with blinking underscore. No sound, no words, no color, buttons dont work. there was a power outage and now this happens

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June 5, 2011 at 09:55:58
Unplug power cords to everything connected to the PC. If all is connected to a power / surge strip, this is as easy as switching the power strip off. Leave off for a few minutes. Then re-power.
This resets the power protection circuits in the devices, if so equiped.

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