To run the
1.Ensure that the screen is clean (no dust particles on the surface of the screen).
2.Unplug the video cable(s) from the back of the computer or monitor. The monitor then goes into the
3.Press and hold the Button 1 and Button 4 on the front panel, simultaneously for 2 seconds. A gray screen appears.
4.Carefully inspect the screen for abnormalities.
5.Press the Button 4 on the front panel again. The color of the screen changes to red.
6.Inspect the display for any abnormalities.
7.Repeat steps 5 and 6 to inspect the display in green, blue, black, white screens.
The test is complete when the white screen appears. To exit, press the Button 4 again.
If you do not detect any screen abnormalities upon using the
Common Problems
The following table contains general information about common monitor problems you might encounter.
Common Symptoms
No Video/Power LED off
What You Experience
No picture
Possible Solutions
•Ensure that the video cable connecting the monitor and the computer is p and secure.
•Verify that the power outlet is functioning properly using any other electric
•Ensure that the power button is depressed fully.
No Video/Power LED on
Poor Focus
No picture or no brightness
Picture is fuzzy, blurry, or ghosting
•Increase brightness & contrast controls via OSD.
•Perform monitor
•Check for bent or broken pins in the video cable connector.
•Touch button 5 located above the power button, ensure that the correct in selected via the Input Source Select menu.
•Run the
•Perform Auto Adjust via OSD.
•Adjust the Phase and Pixel Clock controls via OSD.
•Eliminate video extension cables.
•Reset the monitor to Factory Settings.
•Change the video resolution to the correct aspect ratio (16:10).
Shaky/Jittery Video
Wavy picture or fine movement
•Perform Auto Adjust via OSD.
•Adjust the Phase and Pixel Clock controls via OSD.
•Reset the monitor to Factory Settings.
•Check environmental factors.
•Relocate the monitor and test in another room.
Missing Pixels
Brightness Problems
LCD screen has spots
LCD screen has bright spots
Picture too dim or too bright
•Cycle power
•Pixel that is permanently off is a natural defect that can occur in LCD techn
For more information on Dell Monitor Quality and Pixel Policy, see Dell Support sit support.dell.com.
•Cycle power
•Pixel that is permanently off is a natural defect that can occur in LCD techn
For more information on Dell Monitor Quality and Pixel Policy, see Dell Support sit support.dell.com.
• Reset the monitor to Factory Settings.