Panasonic PT-VX400NTU Operating Instructions Manual page 72

Troubleshooting
Problem
Picture from a
computer does not
appear.
Picture from a HDMI
device does not
appear or picture is
not stable.
No sound is output
from a HDMI device.
The image is
distorted or runs off.
Note
If the problem persists, after confirming the contents of the table, please consult your dealer.
z
72
- ENGLISH
The cable may be longer than the optional cable.
z
The external video output from a laptop computer may not be correct.
z
Is the HDMI cable securely connected?
z
Turn off the power of the projector and the connected devices. Then turn
z
the power of the projector and the connected devices back on.
Isn't unsupported signal cable connected?
z
Set the sound channel of the attached device to Linear PCM.
z
If no audio signal is output during HDMI cable connection, connect the
z
audio cable to COMPUTER AUDIO IN 2 terminal and set to "Computer
2" in "Sound" of "Setting" menu. .
Check [PC adj.] or [Screen] and adjust them.
z
Cause
Reference
page
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28
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78-81
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58
46, 52