Zbook 15 G5 - Second usb-c port is disabled when connecting docking station

[drwainer]

Zbook 15 G5 - Second usb-c port (right side)  is disabled when connecting the docking station

Reproduction:

1 - While the docking station is connected:

      a connect any usb-c device (ssd disk, phone...)

       b device is not detected.

2 - Disconnect the docking station

      a- DIsconnect and connect the usb-c device

      b- In device manager uninstall usb-drivers (remove all attached usb devices previously)

      c - Connect the usb-c device

      d- The device is detected.

       e- Connect the rest of the USB devices with the exception of the docking station.

       f - The usb-c device remains detected.

3- Connect the docking station

       a - The usb-c device is disconnected.

The docking station usb-c port works fine.

Will appreciate any suggestions.

Thanks

[soccer_dan]

I tried to replicate your situation without success. i connected a usb-c to ethernet adapter to the 2nd usb-c port while a zbook 15 g5 is connected to a HP Thunderbolt dock with display, kbd, mouse, etc. attached, and the ehternet adapter worked immediately

before going any further, i would run HP Image Assistant and update BIOS and drivers and test again

also, what version of Windows 10 are you running?

[drwainer]

Product Number: 3AX12AV

System BIOS: Q70 Ver. 01.10.00 - 01/03/2020

OS: Windows 10 Pro Version 1909 Build 18363.815

The BIOS detects the device (it is shown as a boot option), but it is not detected under Windows.

Tested with both a Sandisk SSD storage device as well as a Galaxy 10 phone.

The above steps are 100% reproducible (not sporadic).

It seems it is related with thunderbolt security, but I cannot figure why.

The following is the [FN+Esc] usb-c output:

Daniel

[soccer_dan]

The settings you are looking for are the Thunderbolt Security Level in the BIOS, i believe it is located in the Port Options menu selection

[drwainer]

Yes, I know, the question is what are the correct settings?