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Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
96
Cases not involving a machine defect
The signal cables are not correctly connected.
The MUTE function is working.
The volume is adjusted to an extremely low level.
The AUDIO SOURCE/SPEAKER setting is not correct.
The mode selected for HDMI AUDIO is not suitable.
The lens cover is attached.
The signal cables are not correctly connected.
The brightness is adjusted to an extremely low level.
The computer cannot detect the projector as a plug and play monitor.
The BLANK screen is displayed.
BLANK
The USB TYPE B port is selected as the picture input
source even if MOUSE is selected for USB TYPE B.
The projector does not recognize the USB storage
device inserted into USB TYPE A port.
USB TYPE A
MUTE
VOLUME + -
Reference
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