Troubleshooting | 57
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 back 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
menu button for 10 seconds to unlock.
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.
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