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There is no audio on the computer. [Troubleshoot: BB_HCM3xxcameras]
The camera's listen button is muted.
Click the listen button again to turn off the mute.
The listen button is gray.
The listen feature is disabled for the general user's account or for guest users.
Change the feature access level for the general user or for guest users to allow access to the listen feature.
The camera's volume is turned down.
Adjust the camera's volume slider.
The PC's volume is turned down or muted.
Open the PC's volume control screen, then turn off the mute and adjust the volume slider on the master and wave setting.
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