Dell P2723D 27" 1440p Monitor - Manual (Page 66)

66 │ Troubleshooting
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 pressed.
• Ensure that the correct input source is
selected via the Input Source menu.
No Video/Power
LED on No picture or no
brightness • Increase brightness and contrast
controls using the 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 menu.
Poor Focus Picture is fuzzy,
blurry, or ghosting • Eliminate video extension cables.
• Reset the monitor to Factory Settings
( Factory Reset ).
• Change the video resolution to the
correct aspect ratio.
Shaky/Jittery
Video Wavy picture or
fine movement • Reset the monitor to Factory Settings
( Factory Reset ).
• Check environmental factors.
• Relocate the monitor and test in another
room.