Why does my computer screen go black?

When i turn my computer on sometimes it shows the e-machine logo than the screen goes black and the windows XP boot screen doesn't appear so I turn my computer off than on than it's fine for a couple of days than it than I will get a black screen again...

My laptop's computer screen frequently goes black. It seems to only happen when I move the screen or tilt it a certain way although I don't know what way that actually is. It also seems to happen when I touch the power cord plugged into my comptuer a...

My computer monitor is 10 years old, and was working like new until last night. The screen turned black and the power button blinks. I tried turning the computer monitor on this morning after having unplugged it for the night, and it was still not working...

If I leave the computer on, but don't go on it for a little while (20 minutesish?) the screen will go completely black. It's not the screensaver because when I wiggle the mouse or push a button, nothing happens. I end up having to manually shut down...

why does my computer screen suddenly go dead black? everything is still running, like listenin to music but screen is like when its off or out of power have to disconnect power to get the screen and pc back to normal

I have a Dell Inspiron with windows 7 on it, and only recently has it been freaking out on me. IT started out with not letting me get on the internet and freezing, so i went to into safe mode and ran a disk check and after the disk check (which was the...

I am using a Dell Inspiron 1526 laptop that I just got a week ago. For some reason, my screen will randomly turn black while I am using it, but the computer will stay on. This will happen when I'm browsing the internet or while I'm typing a paper. I...

I have an all-in-one computer and lately, just outta nowhere the screen goes black, like the sound and everything still works , but just the screen goes black. Whats the cause of this and how can I fix it, if at all?

I've build my own computer last month and its runs great i can run any game without a problem. but whenever i went on the internet usually on YouTube my computer goes black but my tower still stays on. its happen multiple times. sometimes the screen...