Dell WD19TBS Thunderbolt Dock DisplayPort audio not working

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Level 1

8 points

Dell WD19TBS Thunderbolt Dock DisplayPort audio not working

I have a Dell WD19TBS thunderbolt dock and a Dell U2717D monitor, and I run macOS Monterey 12.1 on my Macbook Pro M1 2020. I use the Thunderbolt dock in clamshell mode (i.e. the lid is closed). The dock has both HDMI and DisplayPort outputs, however when using the DisplayPort, the audio does not work. It works only on the HDMI. I know the issue is not in the dock since the DisplayPort audio works when I am on a Windows laptop. Is there anything I can do to make it work?

MacBook Pro 13″, macOS 12.1

Posted on Dec 13, 2021 1:57 PM

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Answer 1

destiny241

Community Specialist

Dec 14, 2021 12:19 PM in response to skeidderf

Hello Skeidderf,

Thank you for using Apple Support Communities. Based on your post, you can't hear any output audio when connected through DisplayPort. We'll do our best to assist with this.

We'd confirm the issue when you connect headphones to the Mac. Connecting headphones confirms that the output is able to play content and be heard through the headphones.

Also, we'd try out steps in: Change the sound output settings on Mac

If still unresolved, then you'd want to connect with Apple Support directly: Get Support

Wishing you well, take care.

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Answer 2

skeidderf Author

Level 1

8 points

Dec 14, 2021 2:04 PM in response to destiny241

Hi thanks for reply,

Output settings are correct. I have no issue with headphones or bluetooth or HDMI. The issue is with DisplayPort audio.

Thanks.

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Dell WD19TBS Thunderbolt Dock DisplayPort audio not working

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