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Troubleshooting
Product-specific problems
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 the computer is not in
Standby 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.