How to get rid of horizontal lines on my monitor?

Have a fairly new Dell S2740L monitor and all of a sudden it is showing horizontal lines on the right side of the screen.. They are black and evenly spaced apart. Ive tried updating the driver, trying different cables, resetting the monitor, running the lcd saver..... they persist. Does this...

What causes this and how can I fix it? Changing settings in ATI's Catalyst Control Center did nothing. It seems to only affect some shows sometimes, but it will be for the full 30 minutes, etc. P.S. The image has to be viewed at full size to see the lines. ...

Hi. I have horizontal lines that scan my monitor whenever i play a game. I can see the horizontal lines only on darker colors like grey, dark-green etc. I have a Samsung E2220 display that runs at 1080p on 60hz on a vga cable (no hdmi/dvi support on it). I tried another vga cable, i tried another...

Hello! I have a Dell Monitor model # 1908fwpt and we have used it as an external for a few laptops now, and on the last two hook-ups it has constant, non-flickering white horizontal lines across the screen. The only resolution that doesn't is 1280x1024 for some reason. I have changed the cables,...

hi folks I recently upgraded my old 9600 GT for something with a little more oomph - a GTX460. my card has been performing swimmingly until recently - ive noticed strange, wavy horizontal lines/flickering on screen in dark areas - particularly in games. this is usually accompanied by...