I just got a toshiba. I just got a toshiba m305 satallite laptop with Vista. I was playing a game

Question

I just got a toshiba m305 satallite laptop with Vista. I was playing a game and ran out of battery. After plugging in the machin willl turn on and go to the cmos setup screen but then nothing. Just a black screen. The harddrive light is not blinking just black screen. What do I do .I knw some about computers im currently taking A certification. This is got me stumped.