Users Guide

68 | 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 side
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 button
above the power button for 6 seconds to unlock. (For more
information, see Lock).
No input signal when
user controls are
pressed
Check the signal source. Ensure 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.