Panasonic PT-EZ770Z Operating Instructions Manual page 137

Problems
Video from HDMI
compatible device does
not appear or it appears
jumbled.
Image output from
DisplayPort of the
computer does not appear.
The DIGITAL LINK input
image or sound is not
output.
Attention
f If problems persist even after checking the preceding points, consult your dealer.
Chapter 5 Maintenance — Troubleshooting
f Is the HDMI cable connected securely?
f Turn off and on the power of the projector and the external device.
f Is a signal which is not compatible with the projector being input?
f If connecting the projector to a computer that uses an early-type chipset or graphics
card compatible with DisplayPort, the projector or computer may not be operated
properly.
f The graphics accelerator driver of the computer may need to be updated to the
latest version.
f Turn off and on the power of the projector and the external device.
f Is a signal which is not compatible with the projector being input?
f Are the connections between the twisted-pair-cable transmitter and the projector or
an external device correctly done?
f Is [DIGITAL LINK MODE] set to [AUTO] or [DIGITAL LINK]? Is it set to
[ETHERNET]?
f Is a signal which is not compatible with a twisted-pair-cable transmitter being input?
Points to be checked Page
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