Dell UD22 - Display and USB Port Issues; LAN and Pre-OS USB Functionality

Table 12. Symptoms and solutions (continued)
Symptoms Suggested solutions
Then, power on the docking station by connecting power
adapter to the dock before connecting the USB Type-C cable to
your system.
●
Undock and reboot the system if, the above steps do not work.
3. The video on the attached monitor is not displaying as an
Extended Monitor.
●
Ensure that the Intel HD Graphics driver is installed in the Windows
Device Manager.
●
Ensure that the nVidia or AMD Graphics driver is installed in the
Windows Device Manager.
●
Open the Windows Display Properties and go to Multiple Displays
control to set the display to the extended mode.
4. The USB ports are not functioning on the docking station.
●
Ensure that the latest BIOS and drivers for your system and the
docking station are installed on your system.
●
If your BIOS Setup has a USB Enabled/Disabled option, ensure it is set
to Enabled.
●
Verify if the device is detected in Windows Device Manager and that
the correct device drivers are installed.
●
Ensure that the docking station is connected securely to the computer
system. Try to disconnect and reconnect the docking station to the
system.
●
Check the USB ports. Try plugging the USB device into another port.
●
First power o the docking station by disconnecting the USB Type-C
cable and then removing the power adapter from the dock. Then,
power on the docking station by connecting the power adapter to the
dock before connecting the USB Type-C cable to your system.
5. The High-Bandwidth Digital Content Protection (HDCP)
content is not displayed on the attached monitor.
●
Dell Dock supports HDCP up to HDCP 2.2.
1 . Dell Universal Dock UD22 only supports HDCP on
Intel CPU computer with Microsoft Windows operating system.
2. Dell Universal Dock UD22 supports HDCP 2.2/1.1 input but
HDCP 1.1 output on Intel CPU computer with Microsoft
Windows operating system.
6. The LAN port is not functioning.
●
Ensure that the latest BIOS and drivers for your system and the
docking station are installed on your system.
●
Ensure that the Synaptics (DisplayLink) Gigabit Ethernet
Controller is installed in the Windows Device Manager.
If your BIOS Setup has a LAN/GBE Enabled/Disabled option,
ensure it is set to Enabled.
●
Ensure that the Ethernet cable is connected securely on the
docking station and the hub/router/rewall.
●
Check the status LED of the Ethernet cable to conrm connectivity.
●
Re-connect both ends of the Ethernet cable if the LED is not lit.
●
First power o the docking station by disconnecting the USB Type-C
cable and then removing the power adapter from the dock. Then,
power on the docking station by connecting the power adapter
to the dock before connecting the USB Type-C cable to your system.
7. USB port has no function in a pre-OS environment.
●
If your BIOS has an USB Conguration page, ensure that the
following options are checked:
1.Enable USB Boot Support
2.Enable External USB Port
Troubleshooting the Dell Universal Dock UD22 27