Canon 2502C016 User Manual page 231

Troubleshooting
■ You Cannot Project an Image from the Projector
Cause
A cable is not connected
correctly.
20 seconds have not
elapsed since the
projector was turned on.
No image is sent from
the AV equipment.
Connection with the
input terminal has not
been performed
correctly.
No input signal type has
been selected for the
connected AV
equipment.
The input signal type is
incorrect.
The BLANK function has
been selected.
No image is projected
due to a problem with
the computer.
The external monitor
output is not set on the
computer correctly.
The computer is set to
dual screen (multi-
display) mode.
Countermeasure
Check whether the projector is connected to the
computer or AV equipment correctly
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 (P34, P38).
Check whether an image is played on the connected
video camcorder, DVD, etc.
Check whether the AV equipment is connected to the
projector input terminal correctly (P37).
Check that the same input signal has been correctly
selected for the connected AV equipment from the
[Input] menu (P47).
Check whether the selected input signal type is
correct (P131, P219).
Press the BLANK button on the remote control
(P52).
Turn first the projector and then the computer off and
then back on again.
Turn on the external monitor output on the 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 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.
The combination of keys used to perform this
operation varies depending on the model of
computer. For more detailed information, refer to the
manual that came with your 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.
231
(P78 – P81).