How to Fix TP Link UB400 on USB 3.0
This mini-guide provides a structural approach to troubleshoot and fix the issue.
Prerequisites
- Confirm your hardware specifications (CPU, GPU, Motherboard).
- Ensure you have a bootable recovery USB and backup your EFI.
Fix Steps
- Verify your network controller model (Intel, Broadcom, Realtek).
- Ensure the correct kext (e.g., AirportItlwm or BrcmPatchRAM) is loaded in your config.
- Clear network interfaces and reset NVRAM if changes don't apply.
Verification
- Reboot and verify if the functionality is restored and stable under typical usage.
Original Question:
Hey All,
I have installed Big Sur on Asus B360MA MB which got 3 USB 2.0 and 3 USB 3.0 ports. Till date i was using one of the 2.0 port to connect TP Link UB400 bluetooth dongle which is supported out of box but recently I connected Logitech wireless mouse with its own dongle that only operates on USB 2.0.
All other USB 2.0 ports are occupied with keyboard and Camera.
When i connected UB400 to USB 3 its not been reconised while as USB 3.0 pendrives are working correctly. Anyone knows how to fix this? As per TP link website, this can be used on 3.0 and 2.0 ports on Windows.
PS: I have done USB mapping couple of times but still issue persists!
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