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Product specific problems
Possible solutions
Specific
symptoms
What you
experience
Screen image is too
small
• Check the Aspect Ratio setting in
the Display menu OSD.
• Reset the monitor to factory settings.
Image is centered on
screen, but does not
fill the entire viewing
area
OSD does not
appear on the screen
Cannot adjust the
monitor with the
joystick
• Turn off the monitor, unplug the
power cord, plug it back, and then
turn on the monitor.
• Check whether the OSD menu is
locked. If yes, move and hold the
joystick up/down/left/right for 4
seconds to unlock (see Lock and
Locking the control buttons).
No picture, the LED
light is white
No input signal
when you press the
power button or
toggle the joystick
• 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.
The picture does
not fill the entire
screen
The picture cannot
fill the height or
width of the screen
• Due to different video formats
(aspect ratio) of DVDs, the monitor
may display in full screen.
• Run the built-in diagnostics. For more
information, see Built-in diagnostics.
No video at HDMI/
DisplayPort/VGA
Unplug the HDMI/DisplayPort/VGA
cable from dongle/docking device, then
plug the docking HDMI/DisplayPort/
VGA cable into the notebook.
When connected to
some dongle/
docking device at
the port, there is no
video when
unplugging/plugging
the cable from the
notebook
Troubleshooting │ 93