To help troubleshoot further, tell me your (Windows 11, 10, Mac, Linux), whether you are encountering a specific error code , and the brand of your device .
Is the dongle currently throwing an in Device Manager?
Before diving into drivers, understanding the hardware helps in troubleshooting: e-ub5 bluetooth usb dongle driver
The correct driver is the (also known as the Cambridge Silicon Radio driver package).
If the setup.exe installer fails to work, TP-Link provides an alternative method using the INF file: To help troubleshoot further, tell me your (Windows
: Keep the adapter away from active 2.4GHz Wi-Fi routers.
Bluetooth 4.0 (with optional 4.1/4.2 features via firmware update) If the setup
Bluetooth 5.0 USB Adapter. Driver type: Bluetooth devices. Vendor: Realtek Semiconductor Corp. Version: 1.9.1040.1005. *.inf file: Bluetooth 5.0 USB Adapter bluetooth devices drivers
: Unplug the E-UB5 USB dongle from your PC before running the setup wizard to prevent file conflicts.
Windows should automatically detect the hardware and install a generic Realtek or Microsoft Bluetooth driver.