32 Troubleshooting Instructions
Common symptoms Possible solutions
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 time
•
Set the screen to turn off after a few minutes of screen idle time. These can be adjusted
in the 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.
Product-specific problems
Table 5. Product-specific problems and solutions.
Specific symptoms Possible solutions
Screen image is too small • Check the Aspect Ratio setting in the Display settings OSD.
•
Reset the monitor to Factory Settings (Factory Reset).
Cannot adjust the monitor with the
buttons on the bottom of the
panel
• Turn off the monitor, unplug the power cord, plug it back, and then turn on the monitor.
• Check if the OSD menu is locked. If yes, press and hold the Exit button (button 4) for
four seconds to unlock.
No input signal when user controls
are pressed
• Check the signal source. Ensure that the computer is not in standby or sleep mode by
moving the mouse or pressing any key on the keyboard.
• Check if the video cable is plugged in properly. Disconnect and reconnect the video cable
if necessary.
•
Reset the computer or video player.
The picture does not fill the entire
screen
• Due to different video formats (aspect ratio) of DVDs, the monitor may display in full screen.
•
Run the built-in diagnostics.