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‎05-04-2020 06:42 AM

HP Recommended
Product: HP ZBook 15 G5
Operating System: Microsoft Windows 10 (64-bit)

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

4 REPLIES 4

‎05-04-2020 01:04 PM

HP Recommended

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?

I work for HP. However, all opinions and comments are my own.
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‎05-05-2020 01:17 AM

HP Recommended

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:

 

drwainer_0-1588662902333.png

Daniel

 

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‎05-05-2020 07:16 AM

HP Recommended

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

 

 

I work for HP. However, all opinions and comments are my own.
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‎05-05-2020 08:55 AM

HP Recommended

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

 

 

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