Dell U3014 Monitor - Manual (Page 65)

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 gray, red, green, blue, black, white, and text 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 built-in diagnostic tool, the monitor is functioning properly. Check the video card and computer.
Common Problems
The following table contains general information about common monitor problems you might encounter and the possible solutions.
Common Symptoms What You Experience Possible Solutions
No Video/Power LED Off No picture Ensure that the video cable connecting the monitor and the computer is properly connected and secure.
Verify that the power outlet is functioning properly using any other electrical equipment.
Ensure that the power button is depressed fully.
Ensure that the correct input source is selected via the
Input Source Select button.
No Video/Power LED On No picture or no brightness Increase brightness & contrast controls via OSD.
Perform monitor self-test feature check.
Check for bent or broken pins in the video cable connector.
Run the built-in diagnostics.
Ensure that the correct input source is selected via the
Input Source Select button.
Poor Focus Picture is fuzzy, blurry, or ghosting Eliminate video extension cables.
Reset the monitor to Factory Settings.
Change the video resolution to the correct aspect ratio (16:9).
Shaky/Jittery Video Wavy picture or fine movement Reset the monitor to Factory Settings.
Check environmental factors.
Relocate the monitor and test in another room.
NOTE: If you’re using DVI connection, ensure that a Dual Link DVI cable is used (Supplied together with the
monitor).
Check for loose connection. Unplug & reconnect if required.
Missing Pixels LCD screen has spots Cycle power On-Off.
Pixel that is permanently Off is a natural defect that can occur in LCD technology.
For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at:
www.dell.com/support/monitors.
Stuck-on Pixels LCD screen has bright spots Cycle power On-Off.
Pixel that is permanently On is a natural defect that can occur in LCD technology.
For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at:
www.dell.com/support/monitors.