Common problems – Dell P5524Q 55" UHD 4K Commercial Monitor User Manual
Page 55
Troubleshooting
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Common problems
The following table contains general information about common monitor problems
you might encounter and the possible solutions.
WARNING: 1. The monitor LCD panel duty cycle is designed for 12
hours a day, 7 days a week.
2. Usage higher than the designed duty cycle may result in premature
decrease in panel backlight luminance, which may not be covered
under warranty.
Common symptoms Possible solutions
No video/Power LED
off
∞
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
menu.
No video/Power LED on
∞
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
menu.
Poor focus
∞
Eliminate video extension cables.
∞
Reset the monitor to Factory Settings (Factory Reset).
∞
Change the video resolution to the correct aspect ratio.
Shaky/Jittery video
∞
Reset the monitor to factory settings (Factory Reset).
∞
Check environmental factors.
∞
Relocate the monitor and test in another room.
Missing pixels
∞
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
.