Dell C5519Q User Manual page 57

Horizontal/Vertical lines ∞ Reset the monitor to Factory Settings (Factory Reset).
Synchronization
problems
Safety related Issues
Intermittent problems
Missing color
Wrong color
Image retention from a
static image left on the
monitor for a long period
of time
Video ghosting or
overshooting
∞ 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.
∞ Use the Power Management feature to turn off the monitor
at all times when not in use (for more information, see
management modes
∞ Alternatively, use a dynamically changing screensaver.
∞ Change the Response Time in the Display OSD to Fast or
Normal depending on your application and usage.
).
Troubleshooting
Power
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