User Manual

62 | Troubleshooting
Synchronization
problems
∞
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.
Safety related issues
∞
Do not perform any troubleshooting steps.
∞
Contact Dell immediately.
Intermittent
problems
∞
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.
Missing color
∞
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.
Wrong color
∞
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.
Image retention from
a static image left
on the monitor for a
long period of time
∞
Use the Power Management feature to turn off the monitor at all
times when not in use (for more information, see Power management
modes).
∞
Alternatively, use a dynamically changing screensaver.
Video ghosting or
overshooting
∞
Change the Response Time in the Display OSD to Fast or Normal
depending on your application and usage.