User Manual

38 | 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 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.