Dell P2214H Monitor - Manual (Page 49)

3. Press and hold Button 1 and Button 4 on the side panel simultaneously for 2
seconds. A gray screen appears.
4. Carefully inspect the screen for abnormalities.
5. Press 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 and text
screens.
The test is complete when the text screen appears. To exit, press 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 What You Possible Solutions
Symptoms Experience
No Video/Power No picture • Ensure that the video cable connecting the monitor and the
LED off 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 menu.
No Video/Power No picture or no • Increase brightness & contrast controls via OSD.
LED on brightness • 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 menu.
Poor Focus Picture is fuzzy, • Perform Auto Adjust via OSD.
blurry, or • Adjust the Phase and Pixel Clock controls via OSD.
ghosting
• Eliminate video extension cables.
• Reset the monitor to Factory Settings.
• Change the video resolution to the correct aspect ratio.
Shaky/Jittery Wavy picture or • Perform Auto Adjust via OSD.
Video fine movement • 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.
Troubleshooting | 49