Dell C5519Q User Manual page 56

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
No video/Power LED on ∞ Increase brightness and contrast controls using the OSD.
Poor focus
Shaky/Jittery video
Missing pixels
Stuck-on pixels
Brightness problems
Geometric distortion
56 Troubleshooting
|
∞ 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
Source menu.
∞ 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
Source menu.
∞ Eliminate video extension cables.
∞ Reset the monitor to Factory Settings (Factory Reset).
∞ Change the video resolution to the correct aspect ratio.
∞ Reset the monitor to factory settings (Factory Reset).
∞ Check environmental factors.
∞ Relocate the monitor and test in another room.
∞ 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.
∞ 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.
∞ Reset the monitor to Factory Settings (Factory Reset).
∞ Adjust brightness & contrast controls via OSD.
∞ Reset the monitor to Factory Settings (Factory Reset).
∞ Adjust horizontal & vertical controls via OSD.
Input
Input