90 │ Troubleshooting
Image retention
from a static
image left on
the monitor for
a long period of
time
Faint shadow from
the static image
displayed appears
on the screen
• Set the screen to turn off after a few
minutes of screen idle time. These can
be adjusted in Windows Power Options
or Mac Energy Saver setting.
• Alternatively, use a dynamically changing
screensaver.
Product specific problems
Specific
Symptoms
What you experience Possible Solutions
Screen image is too
small
Image is centered on
screen, but does not fill
entire viewing area
• Check the Aspect Ratio setting
in the Display settings OSD.
• Reset the monitor to Factory
Settings (Factory Reset).
Cannot adjust the
monitor with the
joystick
OSD does not appear
on the screen
• 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 (for
more information, see Menu and
Power button lock).
No Input Signal
when user controls
are pressed
No picture, the LED
light is white
• Check the signal source. Ensure
the computer is not in Standby
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.
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