62 | Troubleshooting
Common
Symptoms
What You
Experience
Possible Solutions
Image retention
from a static
image left on the
display 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.
Touchscreen non-
responsive
Display cannot
wake on touch
• Ensure Wake On Touch is enabled via OSD. Wake On
Touch is default off.
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 menu
OSD.
• Reset the display to factory settings.
Cannot adjust
the display with
touch OSD
OSD does not
appear on the
screen
• Turn off the display, unplug the display power cable,
plug it back, and then turn on the display.
• Check whether the OSD menu is locked. If yes, touch
icon for 4 seconds to unlock .
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 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 display may display in full screen.
• Run the built-in diagnostics.
