Canon 1292B002 REALiS Manual - Page 125

You cannot project an image from a notebook computer., The projector is forced to be turned off.

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You cannot project an image from a notebook computer. Cause Countermeasure The connection cable is not con- Check whether the connection cable is connected to the nected correctly. video terminal of the computer correctly (P34, 35). The video signal type is incorrect. Check whether the selected signal type is correct (P88, 89, 128). It is not set the external monitor output setting on the notebook 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 (P43). The combination of keys used to perform this operation varies among computer manufacturers. For more detailed information, refer to the User's Manual that came with your computer. The displayed image is not the same as that displayed on the notebook computer. Check whether the dual screen (multi-display) mode is selected on the notebook computer. If the dual screen mode has been selected, change it to the simultaneous display mode on the notebook computer. The output setting method varies among computer manufacturers. For more detailed information, refer to the User's Manual that came with your computer. The projector is forced to be turned off. Cause Countermeasure The air intake or exhaust vent is blocked. Check whether the air intake or exhaust vent is blocked. If the air intake or exhaust vent is blocked, the temperature inside the projector rises and the power is automatically turned off to protect the projector. Wait until the internal temperature gets down, and then turn on the projector without blocking the intake and exhaust vents (P21, 38). The air filter is dirty. Check whether the bottom air filter is clogged with dust. If the air filter is clogged, clean or replace the air filter (P117). The lamp has exploded (or it is defective). Check whether the lamp has exploded. If the lamp has exploded, replace it. The lamp may be defective if it has not exploded. Check the lamp by replacing it with a spare lamp if you have one (P13, 118, 119). The operating temperature is inap- Check whether the operating temperature is 5 to 35°C (P14). propriate. Other reasons The projector may be damaged. Contact your dealer. TROUBLESHOOTING 125

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125
TROUBLESHOOTING
You cannot project an image from a notebook computer.
The projector is forced to be turned off.
Cause
Countermeasure
The connection cable is not con-
nected correctly.
Check whether the connection cable is connected to the
video terminal of the computer correctly (P34, 35).
The video signal type is incorrect.
Check whether the selected signal type is correct (P88, 89,
128).
It is not set the external monitor out-
put setting on the notebook cor-
rectly.
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 moni-
tor while holding down the [Fn] key on the keyboard of the
notebook computer (P43).
The combination of keys used to perform this operation varies
among computer manufacturers. For more detailed informa-
tion, refer to the User's Manual that came with your computer.
The displayed image is not the
same as that displayed on the
notebook computer.
Check whether the dual screen (multi-display) mode is
selected on the notebook computer.
If the dual screen mode has been selected, change it to the
simultaneous display mode on the notebook computer.
The output setting method varies among computer manufac-
turers. For more detailed information, refer to the User's Man-
ual that came with your computer.
Cause
Countermeasure
The air intake or exhaust vent is
blocked.
Check whether the air intake or exhaust vent is blocked. If the
air intake or exhaust vent is blocked, the temperature inside
the projector rises and the power is automatically turned off to
protect the projector. Wait until the internal temperature gets
down, and then turn on the projector without blocking the
intake and exhaust vents (P21, 38).
The air filter is dirty.
Check whether the bottom air filter is clogged with dust.
If the air filter is clogged, clean or replace the air filter (P117).
The lamp has exploded (or it is
defective).
Check whether the lamp has exploded.
If the lamp has exploded, replace it. The lamp may be defec-
tive if it has not exploded. Check the lamp by replacing it with
a spare lamp if you have one (P13, 118, 119).
The operating temperature is inap-
propriate.
Check whether the operating temperature is 5 to 35°C (P14).
Other reasons
The projector may be damaged. Contact your dealer.