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Latitude 5480 TB3 hot plug does not work

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Few days ago, I clean install the 10.13.1 on my 5480, and the usb3.1 type-c hot plug works fine.


yesterday I got the Dell TB15 (TB3 dock), then TB3 is no hot plug,


I have to plug in before boot, and the type-c on the TB15 is no hot plug, either.


any idea?



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You probably need to look into the manner in which the extra USB ports of the TB15 are handled. Check that out with IORegistryExplorer and a USB key that you'll plug ins & out of each port.


May be you'll have to use the patch that removes USB ports limitation (in number) or something like that.


Are you using a USB injector?

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