Dell Dual Charge Dock User Manual page 23

Table 12. Symptoms and solutions (continued)
Symptoms
3. The video on the attached monitor is not displaying as an
Extended Monitor
4. The USB ports are not functioning on the docking station
5. The High-Bandwidth Digital Content Protection (HDCP)
content is not displayed on the attached monitor
6. The LAN port is not functioning
7. USB port has no function in a pre-OS environment
8. PXE boot on dock does not function
Suggested solutions
● Disconnect the dock and reboot the system if, the above
steps do not work.
● 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.
● Ensure that the latest BIOS and drivers for your computer
and the docking station are installed.
● 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 notebook computer. Try to disconnect and reconnect
the docking station to the computer.
● Check the USB ports. Try plugging the USB device into
another port.
● First power off the docking station by disconnecting
the 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 Type-C cable to your computer.
● Dell Dock supports HDCP upto HDCP 2.2.
NOTE: User's monitor/display must support HDCP 2.2
● Ensure that the latest BIOS and drivers for your computer
and the docking station are installed on your computer.
● Ensure that the Ethernet Controller driver 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/firewall.
● Check the status LED of the Ethernet cable to confirm
connectivity. Reconnect both ends of the Ethernet cable if
the LED is not lit.
● First power off the docking station by disconnecting
the 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 Type-C cable to your computer.
● Check the BIOS > Integrated Devices for USB
Configuration options, and ensure the following options are
checked:
● 1. Enable USB Boot Support
● 2. Enable External USB Port
● Check the BIOS > System Management for integrated
NIC options, and select Enabled w/PXE.
● If your BIOS Setup on your computer has a USB
Configuration page, please ensure the following options
are checked:
● 1. Enable USB Boot Support
Troubleshooting the Dell Dual Charge Dock - HD22Q 23