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Abnormal
phenomenon
35．The screen
projector has no
sound on the screen
(computer)
Cause analysis
1. Check the sound source
playback device and whether the
output source is correct
Terms of settlement
- audio and video test to test
whether the audio and video are
normal. (Note: the microphone and
camera need to be connected to the
large screen first, and then turn on
the conference system, otherwise
the connection will fail)
1. Turn on the computer sound
source playback device, select the
playback source (speaker) to be
output, and set it as the default
output,
17
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