50 | Troubleshooting
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 Input
source menu.
No video/Power LED on
·
Increase brightness and contrast controls using the OSD.
·
Check for bent or broken pins in the video cable connector.
·
Ensure that the correct input source is selected via the Input
source 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.
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