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The microphone icon greyed out in Skype for Business when an external LCD is connected
Laptop Dell Latitude 7390
OS: Windows 10 version 1903
When the LCD is disconnected from the laptop, the microphone is greyed out, you do not see the progress bar when someone speaks, in Skype for Business, in other words, you can see the progress bar, for the microphone.
The audio drivers were updates.
When I make a Microsoft Teams call and the external LCD is connected, the other person can speak to me via the Microphone or I can hear them via Microsoft Teams.
Office will be updated soon. Update will be applied to Windows 10 version 1903
OS: Windows 10 version 1903
When the LCD is disconnected from the laptop, the microphone is greyed out, you do not see the progress bar when someone speaks, in Skype for Business, in other words, you can see the progress bar, for the microphone.
The audio drivers were updates.
When I make a Microsoft Teams call and the external LCD is connected, the other person can speak to me via the Microphone or I can hear them via Microsoft Teams.
Office will be updated soon. Update will be applied to Windows 10 version 1903
ASKER
The LCD does not have a build in MIC
When you plug it in, what happens to the sound related settings.
the LCD does it have pass through Audio, is it an HDMI, DIsplayPort (of various types)
when it is plugged in, something changes on your system thus the issue.
right click on the speaker, and open sound settings
Confirm your output device, input device. open control pane, and access the sounds tool.
The addition of the LCD triggers a refresh of audio components from your descriptors.
the LCD does it have pass through Audio, is it an HDMI, DIsplayPort (of various types)
when it is plugged in, something changes on your system thus the issue.
right click on the speaker, and open sound settings
Confirm your output device, input device. open control pane, and access the sounds tool.
The addition of the LCD triggers a refresh of audio components from your descriptors.
start by checking the settings : https://support.microsoft.com/en-us/office/set-audio-device-options-in-skype-for-business-2533d929-9814-4349-8ae4-fca29246e2ff
ASKER
Elecrow 10.1 Inch Raspberry Pi Screen 1920X1080p HDMI VGA Portable Monitor IPS Gaming Screen Compatible with Raspberry Pi 4B/3B+/3B WiiU Xbox 360 Windows 7/8/10 is the LCD
ASKER
Nobus, the mic is not testable when the external LCD is connected.
ASKER
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There are many possible explanations. the simplest one is that you go through skype, and/or audio devices on the system to make sure the correct devices are slected for recording, audio output and camera if any.