My computer won't turn on?

Hello I have a old HP pavilion with a 19in brand new screen. Recently the computer haven't been working as use to. First what was happening was that when the computer goes to sleep mode it wont wake up again, in the screen i just have the message no...

Inspiring PC tech here. I'm working with a family members computer while going to school for pc tech school. This computer im working with, has had a sad life. Lightning hit my families house. The computer worked for about a year and a half after that...

My 9800gt overheated quite often until I put a fan on it, but last night I forgot to turn the fan on and started gaming. Needless to say my computer black-screen crashed. (The computer itself doesn't turn off, I lose power to the monitor) normally I...

My computer's charger has been broken for more than a week, so it's been dead for that long. I found a cord that will charge it..Because the charging light goes on. But, The computer wont turn on. I had it charging for a half hour and still wont turn...

when i turn on my computer it will not turn on, the green light on the back of the tower next to the power cord just blinks, any idea whats wrong. why wont the computer turn on.

I was playing games until late last night, turn the computer off and now this morning the darn thing wont turn on. Yes, i checked the outlet and the power strip. I know that its receiving power because when i took the side of my tower off the green circuit...

I turned my computer off after one of those software updates where to turn the computer off it has to update. Now it wont turn back on. I looked on the back and the green light is on and it is receiving power but the computer wont turn on when I push...

Okay so for like a year I hadn't used my desktop computer at least... and when I went to turn it on well it turned on but nothing appeared on the screen then I shut it off myself... I tried to turn it on again heard a weird kind of buzzing or high pitch...

Ok. Basically, my computer monitor wont turn on. I usually turn my hardrive on or whatever its called, sit on ny chair, and wait for my login screen to type my password in... But for some reason, when i turn on my computer now, my monitor doesnt show...