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T E C H N I C A L W H I T E PA P E R
CONTENTS &
NAVIGATION
2
HP Thunderbolt Dock G4 specifications summary
HP Thunderbolt G4 Dock, The Dock That
Does It All
3-4
First-time Connection
5-6
Supported Modes (Multi-Function
and Thunderbolt
4/USB4/Thunderbolt
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Pre-Boot Support
LED/Power Button
6-9
Charging Support from the Dock
Display Capabilities
9-10
HP Sure Start for Docks
Thunderbolt
Security Levels – Available Functions
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and Ports
10-12
Manageability
13-14
Troubleshooting Issues
15-19
Support list for the HP Thunderbolt 4 Dock
HP Commercial Notebook / mWS Platform Support
14.
Monitors connected to the HP Thunderbolt Dock G4 doesn't wake from a sleep state or on a hot plug with HP display:
Some HP display have known issue waking from a "Low power "state. To work around this issue you can change
the option to "Always Active" on the On-Screen-Display Menu.
1. Open the On-Screen-Display menu on the monitor
2. Select the menu option
3. Select "Input Control"
4. Select "DP Hot-Plug Detection"
5. Select the "Always active" option and save
To perform a hardware reset of your notebook or mobile workstation, follow ALL of the following steps. A hardware reset
temporarily disconnects the internal battery to fully reset the system:
1. Power off the notebook or mobile workstation
2. Remove the AC power cord and all USB cables or devices from the notebook or mobile workstation
3. Press and hold the power button for 15 seconds
To perform a hardware reset of your dock, do the following:
1. Undock the HP Thunderbolt Dock G4 from your notebook
2. Unplug the power cable from your dock 5 seconds
Unable to view video on 4K HDMI/DP monitor when connected to the USB Type-C® of the HP Thunderbolt Dock G4
by using a HDMI/DP to Type-C® dongle:
This is a known limitation, as a workaround the following can be done:
1. Plug directly the Monitor to the DP/HDMI port of the dock instead of the Type-C® port, or
2. Plug directly the Monitor to the Thunderbolt
On Non-Thunderbolt
This is a known limitation, when dock is working in multi-function mode, to mitigate this issue enable Hight Resolution mode
3)
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in the BIOS F10 setup as follows:
1. Enter HP Setup (F10)
2. Select Advanced, then System Options
3. Select Enable "High Resolution mode when connected to a USB-C® alt mode dock option"
4. Save settings by pressing the F10 key
The system might take around 1 minute to enumerate the HP Thunderbolt Dock G4 after resuming from Hibernation:
To prevent this issue from happening:
1. As a short-term solution: As a user, allow system to resume from hibernation first and then plug the dock after
around 30 seconds, or
2. For Long term solution: Issue will be fixed by upgrading to latest version of Windows 11 version 21H2
System audio abnormal behavior when connected to certain monitors as HP Z34C G3 or HP Z24m while running
Win10 OS:
The symptoms include:
• Takes a long time (over 10s) to open Camera App
• Click Volume icon under task bar and the response is slow
•Audio output responses slow when switching between Z34C G3 monitor and HDMI monitors
• F6 and F7 keys are unable to control the volume of the notebook
To resolve issue:
- Download latest Intel® SST driver from HP.com for your system
External display Apple XDR show garbage or no display when attached to HP Thunderbolt Dock G4 through
the USB Type-C® port:
This issue affects notebooks running on NVIDIA® graphics cards.
To resolve issue:
- For short term solution, connect the monitor to the Type-C® port near the AC power connection
- As long-term solution, a new Graphics driver will be release
port of the dock
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Host, 4k Resolution @60hz is unavailable when computer is docked with 4K monitor attached
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