Audio input/output ports Thinkpad Mini Dock Plus Series 3 with inactive W520

I have 3 laptops W520 and 3 Thinkpad Mini Dock Plus Series 3 docks. The audio 1/8 "output audio and MIC ports are not detected by Windows. In the sound settings, the high definition Audio Device is always disconnected. I read that there was a problem with background sound via ports audio on an earlier execution of these docks, but the production on these date are all 11/07 (after Lenovo solved the problem). Someone had a similar problem? The ports are inactive for the W520 by design?

Solution:... drivers. Should have checked that first. I thought that our support office would have done that. I thought wrong.

Tags: Lenovo Products

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