Pregnant T440s Ultradock Buzz

I have a set of 6 new laptops from T440s as well as Ultradocks. I ordered 2 sets of 3, with one month of inbetween. I'm having a problem where all my Ultradocks producing a buzz loud speakers connected whenever the laptop is off or not anchored. If the laptop is connected and powered, everything sounds great.

I contacted support and they are sending me a replacement dock, but since the issue is so consistent and effects all my docks, I doubt this will help. Did someone else knows it, is there a solution?


Tags: ThinkPad Notebooks

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