E6540 audio E-Port has stopped working

I have an E6540 connected to a Port E-docking station, Windows 7 Professional 64.

I just upgraded to the latest version, i.e. BIOS to A16, drivers Audio and audio manager at NCN00_WN32_6.0.1.6069_A11, and now the speaker on the dock Jack is not working. He even appear on the list of audio devices. The built-in speakers/mic and headphone jack on the laptop works fine, as does everything else on the dock (video, USB...).

After upgrading the BIOS to A17, the port dock now works as "helmet", as long as nothing is connected to the helmet on the machine itself.

Tags: Dell Laptop

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