Why is my PC monitor so dark?

When I logged earlier, for some reason my PC's screen was extremely dark and I couldn't read anything. Then I changed the settings a bit, I turned up the brightness and ...show more

I want to be able to connect my ps3 slim to my PC monitor so i can play my ps3 games in HD on my monitor since I dont have an HD TV. I bought a HDMI to DVI adapter and an HDMI cable. I connected the adapter to the DVI port on my monitor and the HDMI...

My monitor was working good, but I decided to change for a bigger one so, I bought a used one, when I conected to my PC, the PC freezze, I cutted the power and turn on again the monitor, has like a lock after I turn on, after 5 sec, it turn off by itself...

I'm in the process of moving houses and today I decided I'd move my computer. I unhooked it all and packed it neatly, I even sat my monitor and PC in the car seat and buckled them up whilst getting weird looks from my mother. Anyway, I unpacked it all...

Symptoms: 1. "no signal" displayed on monitor on cold boot (cannot even see BIOS). But i could see my PC light green and running normally (optical mouse lights up and keyboard num lock green after a while; just like a normal boot but w/o display...

I have a dell monitor on my hp computer. The computer is starting to get slow and everything and im planning on buying a new computer within the next 2 years. Anyways... So after the screen saver goes off it goes into a like sleep mode and the display...

So for 2 years I've played on my PC which was a very powerful rig ! But recently last week, I bought a PS3 Slim & I've been noticing some lag (basically rendering lag,) on most games like KZ2 (appears to run in about 35 to 40 fps & not 60), Fallout...

I have a e-machine PC and LCD monitor, about 2 years old. For about a month now, the monitor doesn't turn on about half of the time when I turn the computer on. I also noticed that when this happens, the mouse light is not on either(which reminds me...

Well I had this older computer for awhile now and I only use it occasionally due to the fact that I see no need on switching the monitor frequently. So basically it's two computers sharing a monitor. I decided to use the older PC for certain work and...