Troubleshooting | 89
Product specific problems
Specific symptoms What you
experience
Possible solutions
Screen image is too
sm
all
Image is
centered on
screen, but does
not fill entire
viewing area
Reset the monitor to factory settings.
Cannot adjust the
mon
itor 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
loc
ked. If yes, move and hold the
joystick forward/backward/left/right
for 4 seconds to unlock (for more
information, see Locking the control
buttons).
No input signal
when user co
ntrols
are pressed
No picture, the
LED light is
white
• Check the signal source. Ensure that
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 t
he entire screen
The picture
cannot fill the
height or width
of the screen
• Due to different video formats
(as
pect ratio), the monitor may
display in full screen.
• Run the built-in diagnostics.
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
minute
s of screen idle time. These can
be adjusted in Windows Power
Options or Mac Energy Saver setting.
• Alternatively, use a dynamically
ch
anging screensaver.
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