User’s Guide

Troubleshooting │ 63
Common symptoms Possible solutions
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 safe mode.
Safety related issues • Do not perform any troubleshooting step.
• Contact Dell immediately.
Intermittent problems • 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.
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 • 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 YCbCr/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
• Set the screen to turn off after a few minutes of screen idle time. These can
be adjusted in Windows Power Options or Mac Energy Saver setting.
• 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.