Hydralisk00222,

Try it at the Optimal preset resolution of 1024 x 768 at 75 Hz or 85 Hz.

Does the issue occur in safemode using both the DVI and VGA cables (if available) one at a time?
* Power the PC off
* Power the PC on
* At the blue Dell, tap F8 to bring up the Windows boot menu
* Scroll to and select Safe Mode [Press the Enter Key]
* Select the first or only operating system [Press the Enter Key]
If the issue does not occur in Safemode, the issue is with your video card driver or the video card.

Does the issue occur during the Monitor Self-Test Feature Check (STFC)?
* Turn off both your PC and monitor
* Disconnect the monitor from the PC (both the white DVI and the blue VGA)
* Turn the monitor on
* The floating Dell red/green/blue/white dialog box should appear on a black background
If the issue does not occur in the STFC, the issue is with your video card driver or the video card.