Canon WUX450 Manuel D’Utilisation

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Troubleshooting
278
■ You Cannot Project an Image from the Projector
Cause
Countermeasure
A cable is not connected 
correctly.
Check whether the projector is connected to the 
computer or AV equipment correctly. (
20 seconds have not 
elapsed since the 
projector was turned on.
When the projector is turned on, the opening window 
is displayed for approximately 20 seconds. To project 
an image immediately, press the OK button on the 
remote control or side control. (
No image is sent from 
the AV equipment.
Check whether an image is played on the connected 
video camcorder, DVD, etc.
Connection with the 
input terminal has not 
been performed 
correctly.
Check whether the AV equipment is connected to the 
projector input terminal correctly. (
No input signal type has 
been selected for the 
connected AV 
equipment.
Check that the same input signal has been correctly 
selected for the connected AV equipment from the 
[INPUT] menu. (
The input signal type is 
incorrect.
Check whether the selected input signal type is 
correct. (
The BLANK function has 
been selected.
Press the BLANK button on the remote control. 
(
)
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 7, you can turn on image 
output by holding down the Windows logo key and 
pressing the [P] key. (
)
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.