Dell C5519QA - Page 55

Troubleshooting | 55
Common problems
The following table contains general information about common monitor problems
you might encounter and the possible solutions.
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.
∞
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
∞
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/pixelguidelines.
Stuck-on 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/pixelguidelines.
Brightness problems
∞
Reset the monitor to Factory Settings (Factory Reset).
∞
Adjust brightness & contrast controls via OSD.
Geometric distortion
∞
Reset the monitor to Factory Settings (Factory Reset).
∞
Adjust horizontal & vertical controls via OSD.