Dell Dual Charge Dock User Manual page 24

Table 12. Symptoms and solutions (continued)
Symptoms
9. USB Boot does not function
10. AC Adapter is displayed as "Not Installed" in the Battery
Information page of the Dell BIOS Setup when the Type-C
cable is connected
11. Peripherals connected to the docking station do not work
in a pre-OS environment
12. Alert message "You have attached an undersized power
adapter to your system or Undersized adapter" is displayed
when the docking station is connected to your computer
13. Undersized power adapter warning message displayed
14. No external display. Dock's USB ports are not responding
15. With Ubuntu 18.04 LTS, WIFI will be turned off when the
docking station is connected to the system and the WIFI turns
On again after rebooting the system.
16. When the dock has no power
17. When the dock is not working even when BIOS, firmware
and drivers are up to date.
18. Wireless charging does not work
19. Qi charging LED flashes amber
24 Troubleshooting the Dell Dual Charge Dock - HD22Q
Suggested solutions
● If your BIOS has a USB Configuration page, please ensure
the following options are checked:
● 1. Enable USB Boot Support
● 2. Enable External USB Port
1. Ensure the dock is connected properly to its own adapter
(130 W).
2. Disconnect and reconnect the dock's power adapter.
3. Disconnect and then reconnect the Type-C cable to your
computer.
● If the BIOS Setup on your computer has a USB
Configuration page, check the following options to enable
docking station function in a pre-OS environment:
● Enable External USB Port
● Ensure the docking station is connected properly to its
own power adapter. Computers that require more than 90
W power input must also be connected to their own power
adapter for charging and optimal performance.
1. Ensure the dock is connected properly to its own adapter
(130 W).
2. Disconnect and reconnect the dock's power adapter.
3. Disconnect and then reconnect the Type-C cable to your
computer.
● The docking connector has disconnected from the
system's USB ports. Please reconnect the docking
connector.
● Undock and reboot the system if the above steps do not
work.
● Please uncheck the option Control WLAN radio in BIOS.
● Option is available in - Settings -> Power Management ->
Wireless Radio Control
● Disconnect USB Type-C from the system and the dock's
power adapter.
● Reconnect the dock's AC adapter.
● Check if the dock LED is on.
● Reconnect the dock's AC adapter
● Restart the dock
● Attempt flashing the firmware on the dock.
● Check if the power LEDs on the dock are functional.
● Ensure that your device supports wireless charging.
● Reconnect the dock's AC adapter.
● Restart the dock.
● Check if the wireless device is placed properly on the
charging pad of the dock.
● Check if the power LEDs on the dock are functional.
This LED blinks amber when the dock detects an abnormal
charging status such as FOD (Foreign Object Detection) or
OTP (Over Temperature Protection).
FOD (Foreign Object Detection):