Why does my computer screen keep turning off?

whenever i turn on my computer my computer screen will turn off and on then it will just turn off then i have to keep pressing on to keep the computer screen on and then it turns back off and it makes this weird beeeeeppppp noise, i have to press my...

Whenever I start my computer, not in safe mode, it shows up with a blue screen with white words after about five minutes talking about bios and memory and a bunch of stuff I don't know. It gives me a list of problems it could be but does say what it...

my computer screen keeps turning on and off..so i can't do anything on my computer! is there a way to fix that or do i need a new computer screen?

okay several times because of my lazy family. i get called away to do this run trips up and downstairs. get something out of the garage.. take care of my sisters kids cause shes a fail parent... anyways i dont have a screen saver so it goes black after...

Every 10 minutes or so the screen of my laptop goes black. I guess it's to save power or something. I set the screen saver to only go off every 500 minutes but the screen still goes black and eventually logs me off. I need to defragment my computer but...

everytime im on the computer or something ...my computer screen turns black and it does that every 10 seconds or so and i keep having to waste my time turning off the screen and ...show more

Please help i dont know why my computer keeps turning off and restarting on its own! When it restarts the blue screen comes up and runs the C drive then 5mins later turns off again repeats and repeats to where i have to keep my computer off for a while...

I keep trying to watch a movie on my computer but the damn screen keeps turning black after about 30 minutes or so of being idle. I have my screensaver turned off, but this isn't a screensaver - the screen just turns black and I have to press a key on...