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Product specific problems
Common
symptoms
Screen image is too
small
Cannot adjust the
monitor with the
buttons on the rear
panel
No Input Signal
when user controls
are pressed
The picture does
not fill the entire
screen
│
56
Troubleshooting
What you
experience
Image is centered
on screen, but
does not fill entire
viewing area
OSD does not
appear on the
screen
No picture, the
LED light is white
The picture cannot
fill the height or
width of the screen
Possible solutions
• Check the Aspect Ratio setting in the
Display menu OSD.
• Reset the monitor to factory settings.
• Turn Off the monitor, unplug the power
cord, plug it back, and then turn On
the monitor.
• The OSD menu may be locked. Press
and hold the fourth button (the
Brightness/Contrast shortcut key by
default) below the joystick button for 4
seconds to unlock.
• Check the signal source. Ensure the
computer is not in the power saving
mode by moving the mouse or pressing
any key on the keyboard.
• Check whether the signal cable is
plugged in properly. Re-plug the signal
cable if necessary.
• Reset the computer or video player.
• 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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