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Troubleshooting
210
■ There is no Sound
The BLANK function has
been selected.
Press the BLANK button on the remote control.
(P72)
No image is projected
due to a problem with
the computer.
Turn first the projector and then the computer off and
then back on again.
The external monitor
output is not set on the
notebook computer
correctly.
Turn on the external monitor output on the notebook
computer. To turn on the external monitor output,
press the [LCD] or [VGA] function key or a key with
an icon for the external monitor, while holding down
the [Fn] key on the keyboard of the notebook
computer. With Windows 10 / Windows 8.1 /
Windows 7, you can turn on image output by holding
down the Windows logo key and pressing the [P] key.
(P55)
The combination of keys used to perform this
operation varies depending on the model of
notebook computer. For more detailed information,
refer to the manual that came with your computer.
The displayed image is
not the same as that
displayed on the
computer.
Check whether the dual screen (multi-display) mode
is selected on the computer. If dual screen mode is
selected, change the computer display output to
mirroring mode.
The output setting method varies among computer
manufacturers. For more detailed information, refer
to the manual that came with your computer.
Cause Countermeasure
The audio cable is not
connected correctly.
Check the audio cable connection. (P45, P46)
The MUTE function is
enabled.
Press the MUTE button on the remote control. (P34)
The volume level is
adjusted to the
minimum.
Press the VOL button on the remote control or the
VOL+ button on the side control to adjust the volume
level. (P29, P34)
An audio cable with a
built-in resistor is used.
Use an audio cable without a built-in resistor.
Audio in terminal select
is [Off].
Change the Audio In terminal to the appropriate
setting. (P124)
Cause Countermeasure
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