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Old 12-08-2016, 06:47 AM   #35
Carlo
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Join Date: Feb 2009
Posts: 606
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Quote:
Originally Posted by wahlfeld View Post
Damn, not good. Happy to try what you suggested Carlo, but I'm curious as to what is the root cause here? Is this a limitation of USBC? Are there any Windows devices with USBC that exhibit the same behaviour?
In theory everything should be working OK. And it does even with this MacBook for many use cases.

However I can imagine that USB C, especially when the new "alternate modes" are used to carry other completely unrelated signals like video or Thunderbolt, is very new and may have teething issues for some use cases.
In this case the issue may be in the USB C adapter, in the MUXes that separate video out or on the host controller. The next step would be to connect a USB analyser between the adapter and the machine but I suspect the issue is probably in the MUXes and relative logic.

This is just my personal theory given the evidence so far.

Regards,
Carlo
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