Common Problems; Troubleshooting - Dell P2714H User Manual

To run the built-in diagnostics:
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 self-test mode.
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 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
No Video/Power LED
off
No Video/Power LED
on
52

Troubleshooting


Experience
No picture
No picture or no
brightness
Possible Solutions
• 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.
• Increase brightness & contrast
controls via OSD.
• Perform monitor self-test
feature check.
• Check for bent or broken pins
in the video cable connector.
• Ensure that the correct input
source is selected via the Input
Source Select menu.
• Run the built-in diagnostics.