What can be wrong with the computer screen?

The screen has like gray and white lines, but when I plugged my com to another screen it shows blue lines going down and it will only work on safe mode.

I don't know why, but my computer screen keeps flickering. The picture gets all woozy and keeps flashing left and right. I swear I didn't do anything to it, yet the pixels are ...show more

So about 2 or 3 weeks ago, I left my computer alone for about an hour and a half to talk to a friend who came over, when I came back, I had one of those fake computer scan windows show up, my windows task bar was gone showing my background, and my computer...

Last night before i went to bed, I put my computer to sleep. Then when i woke up this morning i clicked my mouse to turn it back on. Everything turned on, but my moniter stayed asleep and wouldn't turn on. I had to restart my computer. When i restarted...

I just got my computer back from the repair shop and plugged in the screen, mouse, keyboard, and speakers. I turned it on and nothing happened to the screen. I have 2 places I can plug in a screen so I unplugged the screen and put in the second hole...

I have sony vaio with Windows 7 upgrade. Often, when I turn my computer on, it powers up like normal. The monitor screen starts like normal until its gets to Log On screen. When it gets to Log on screen, it turns black. Then I would have to press power...

For some reason my task bar like where the start button is is at the top of my computer screen. My kids were playing on the computer and when I came back and turned it on the task bar was at the top of the screen. I did try to use the arrow to see if...

My computers hard drive died. I went to geek squad to get it replaced, and I am so mad. This is not what I wanted. I use this computer for gaming. I explained that to them. My computer was great. It had lots of space, and would play the sims 3, and sims...

My computers hard drive died. I went to geek squad to get it replaced, and I am so mad. This is not what I wanted. I use this computer for gaming. I explained that to them. My computer was great. It had lots of space, and would play the sims 3, and sims...