Dell P5524Q User Manual page 56

Common symptoms Possible solutions
Stuck-on pixels
Brightness problems
Geometric distortion
Horizontal/Vertical lines ∞ Reset the monitor to Factory Settings (Factory Reset).
Synchronization
problems
Safety related Issues
Intermittent problems
Missing color
Wrong color
56 Troubleshooting
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∞ 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.
∞ Perform monitor self-test feature check and determine if
these lines are also in self-test mode.
∞ Check for bent or broken pins in the video cable connector.
∞ Run the built-in diagnostics.
∞ Reset the monitor to Factory Settings (Factory Reset).
∞ Perform monitor self-test feature check to determine if the
scrambled screen appears in self-test mode.
∞ Check for bent or broken pins in the video cable connector.
∞ Restart the computer in the safe mode.
∞ Do not perform any troubleshooting steps.
∞ Contact Dell immediately.
∞ Ensure that the video cable connecting the monitor to the
computer is connected properly and is secure.
∞ Reset the monitor to Factory Settings (Factory Reset).
∞ Perform monitor self-test feature check to determine if the
intermittent problem occurs in self-test mode.
∞ Perform monitor self-test feature check.
∞ Ensure that the video cable connecting the monitor to the
computer is connected properly and is secure.
∞ Check for bent or broken pins in the video cable connector.
∞ Change the Color Setting Mode in the Color Settings OSD to
Graphics or Video depending on the application.
∞ Try different Preset Modes in Color settings OSD. Adjust R/
G/B value in Custom Color in Color settings OSD.
∞ Change the Input Color Format to RGB or YPbPr in the Color
settings OSD.
∞ Run the built-in diagnostics.