Problem Causes Solutions
The computer connected to
the DisplayPort input is
malfunctioning.
There may be a problem
with the graphic driver
running on the computer.
Contact your computer manufacturer.
Screen magnification
changes
If you pull out the video
cable and then quickly insert
it again, the screen
magnification may change.
Do not pull out the video cable and
then quickly insert it again.
Others
Problem Causes Solutions
The remote control does not
work
• The battery is not
properly installed.
• There is no remaining
battery power.
• The command signal
from the remote control
is not reaching the
sensor of the machine.
• Check for incorrect battery
orientation.
• Check for dead batteries.
• Check your distance and angle
from the machine.
• Check whether remote control is
properly being pointed at the
remote control sensor window of
the display.
• Check for any obstacle between
the remote control and the remote
control sensor window.
• Check that the remote control
sensor window is not under strong
fluorescent lighting, or in direct
sunlight.
• Check for any devices (computer
or personal digital assistant, PDA)
nearby that transmit infrared
signals which may cause
interference to signal transmission
between the remote control and
the machine. Turn off the infrared
function of these devices.
When You Cannot Use the Machine As You Want
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