T420s + Mini Dock Plus Series 3 with USB 3.0 90W - USB 3.0 works as USB 2.0


I'm probably not the first person who cares, but I did not find the same topic in the forum.

I have T420s Lenovo ThinkPad Mini Dock Plus Series 3 with USB 3.0 plugged 90W. The problem, I USB 3.0 port on the dock (blue) work in USB 2.0. The port of the laptop works very well. I check it by plugging Seagate drive HARD mobile - when the HARD drive is plugged into the port blue station dock Windows (7, 64-bit) complains "device can run faster", using the port laptop does not trigger the message.

USB 3.0 is installed.

BIOS version is 1.37.

Drivers Intel Chipset are updated.

Device Manager displays the connection as a chain of two "Generic USB Hub, if the HARD drive is connected to the laptop port its chain of" Renesas Electronics USB 3.0 blah - blah ".»

Help, please! If this combination is not supported, please point to the corresponding link.

Thank you!


USB 3.0 port on the dock is not supported on the T420s, it is supported only on T430s and later versions.


It allows to find the document listed in the link.

I have the T420s and T430s with this docking station.

Tags: ThinkPad Notebooks

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