Ack. my tablet isn't working.i need it for school.for posting fanart...when i plug it in the little on light turns on.and then it turns off.i bet i put it on sleep mode. how do you turn sleep mode off?edit: it's a dell 2in1..sorry...
Hold down the button on the side or top. Hold it down for 10 seconds then let go. If the light goes off, then hold for 5.
IDK what kind of computer you have, so that's very very vague.