Windows Not Recognizing Primary Display Correctly with Docking Station

1. Quick Recovery Display
Shortcut Adjustment:
Press Win + P → select “Second Screen Only” → cut back to “Extended” again
Press Ctrl + Shift + Win + B (reset graphics card driver)
2. Re-plug the hardware:
Disconnect the docking station power and all connections
 Wait 30 seconds and reconnect
3. Display Settings Calibration
Manually assign the primary monitor:
Right-click Desktop → Display Settings
Drag the monitor icon to arrange the physical position
Select the target monitor → Check “Set as primary monitor”.
 4. Refresh rate and resolution:
Ensure that all monitors use the recommended resolution
Unify the refresh rate (e.g. set them all to 60Hz for testing)
5. Driver and firmware update
Key update items:
Docking station firmware:
 Download vendor tools (e.g. Dell Dock Firmware Update)
6. Graphics card drivers:
Device Manager → Display Adapters → Right click to update drivers
It is recommended to use NVIDIA/Intel/AMD official tools to detect
7. USB4/Thunderbolt driver:
powershell
pnputil /scan-devices
8. Power management adjustment:
Device Manager → Universal Serial Bus Controller
Disable all “USB Root Hub” power saving options
9. registry fix (multi-monitor ID confusion):
reg
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\GraphicsDrivers\Configuration]
 “DeleteConfigurationDatabase"=dword:00000001
(Reboot after operation)
10. Alternative connection scheme
 Bypass the docking station test:
Connect the monitor directly with HDMI/DP cable
Confirm whether there is a hardware problem with the docking station
11.Replace the interface:
Prioritize the USB-C DP Alt Mode interface on the docking station
Avoid connecting via USB-A converter
12. Note to business users:
Group policies may restrict monitor recognition:
Computer Configuration→Administrative Templates→System→Device Installation→Restrict Installation of Removable Devices