Poly Studio P21, User Manual

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Troubleshooting
Topics:
▪ Device Displaying a Black Screen after DisplayLink Firmware Update
▪ Microphone Mute Isn't Synced with Microsoft Teams
▪ Screen Stays Blank After Connecting USB Cord
Refer to the following topics to help you diagnose and fix problems while using your device.
Device Displaying a Black Screen after DisplayLink
Firmware Update
After updating the DisplayLink firmware on your computer and connecting your Studio P21 device, the
device's screen continues to display a black screen.
Procedure
» Do one of the following:
▪ Unplug the power cable from your device and plug the cable back into your device.
▪ Restart the attached computer.
The device displays a black screen with an hourglass and then starts displaying your desktop.
Related Links
Complete Initial Setup on macOS on page 3
Complete Initial System Setup on Windows on page 4
Microphone Mute Isn't Synced with Microsoft Teams
When using a Mac and running multiple conferencing applications, muting the microphone using
Microsoft Teams or the device's microphone mute button, the mute status becomes desynced between
the device and the Teams app.
When running multiple conferencing applications on your computer (like Zoom and Skype for Business),
they can interfere with the Teams microphone mute behavior on your device.
Procedure
» Close all other conferencing applications on your computer before placing your Teams call.
Screen Stays Blank After Connecting USB Cord
After connecting the supplied USB cord to your computer and your Studio P21, the device's screen
remains blank.
The supplied USB cable isn't bidirectional.
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