Computer screen sometimes becomes blue and "pixel?

I was playing World of Warcraft, when suddenly my computer screen froze and got a purple pixel pattern all over the screen. My computer was having some problems before this, for example: When i would start up my computer, it would make this loud sound...

I have a Samsung 2333SW, I believe other monitors don't have this issue. When for example I am watching a movie, and a scene pops up where the colors are dark, (such as the night sky, a cave etc.) the screen dims darker, making it almost impossible to...

Okay so what I'm experiencing is something I haven't experienced before. This started happening two weeks ago, after I had a burning sensation in my head. After the burning went away, when I went to my computer I couldn't stare at it for long because...

I have a 15' HP monitor and a NVIDIA GeForce 8600 GT video card, just to get the specs here. It's been happening more and more often--usually when I'm playing games, which makes it that much more frustrating. The screen freezes and becomes a garbled...

I have a screen shot of the screen when it gets blurr.......I can forward the same to you if required. thanks

I have set up my computer desk with my HDTV on the raised platform in front of me, and my LCD monitor off to the side. I have the HDTV connected to my graphics card via HDMI cable with a VGA-to-HDMI adapter. When the TV adapter isn't plugged in, the...

this pixel is like a dead pixel,except for the fact that it is not black,instead it is like white or a shining pixel that becomes realy annoing in a black wallpaper or so.its presented on my samsung wave ii (s8530) screen and i rely don't know how to...

I was wondering why i keep getting a black screen while playing wc3? I can play wc3 perfectly fine, but just when i minimize, my screen goes all black, theres sound in the backaround etc, my screen still functions but i get a black screen. i can still...

I have an older computer, and i just upgraded my old standard monitor to a wide-screen one. I increased my pixel ratio to the max (in Display Properties/Settings) but it is still in the standard screen ratio; so when I have my monitor on wide-screen...