52
| Troubleshooting
Common
Symptoms
What You
Experience
Possible Solutions
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
• Use the Power Management
feature to turn off
the monitor at all times when not in use (for more
information, see
).
• 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
menu OSD.
• Reset the monitor to factory settings.
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 monitor may display in full screen.
• Run the built-in diagnostics.
Universal Serial Bus (USB) specific problems
Specific
Symptoms
What You
Experience
Possible Solutions
USB interface is
not working
USB peripherals
are not working
• Check that your monitor is turned on.
• Reconnect the upstream cable to your computer.
• Reconnect the USB peripherals (downstream
connector).
• Switch off and then turn on the monitor again.
• Reboot the computer.
• Some USB devices like external portable HDD
require higher electric current; connect the device
directly to the computer system.
