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Service 23
Problems Solutions
No sound from external HDMI output
device.
• On the HDMI output device, set the audio setting
to Multichannel (Raw data) & Stereo (PCM).
No sound when you connect your
computer via HDMI cable.
• Check that the sound is activated on the
computer.
Cannot stream video from an app on my
mobile phone.
• Make sure the correct setup is made and the
app is Chromecast-enabled (see Chromecast
streaming, page 15).
When I view videos, the sound or the
picture is sometimes distorted or the sound
is not synchronized to the picture.
• The available WiFi bandwidth is insufficient for
sending the video flawlessly from the smartphone
to the projector. This can happen if one or more
WiFi networks operate in the same frequency
range nearby. Certain IoT devices (e.g. ZigBee
enabled devices) also operate in this frequency
range.
• Your smartphone is not fast enough to compress
the data and send it simultaneously over WiFi.
The temperature of the projector’s surface
is warm.
• For this projector it is normal to generate
moderate heat during operation.
The projector turns itself off. • When the projector is running for a long period of
time, the surface becomes hot.
• Check that the power cable is connected correctly.
What to do if the projector does not work
when connecting to a notebook PC?
• Check that the HDMI cable is plugged in correctly.
• Make sure that the notebook PC has been
switched to projector display.
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