Yes and no.
For Windows 10 and 11 users, the simplest way to install the correct driver is through the integrated Windows Update catalog.
: Insert the UGREEN USB dongle into an available USB port. On Windows 8.1, 10, or 11, the system may automatically install the driver within seconds.
Navigate to your Downloads folder and locate the downloaded Ugreen ZIP file. ugreen bluetooth 50 usb adapter cm390 driver install
With the driver active, you can now connect wireless peripherals like headphones, controllers, mice, or keyboards.
Since older Windows versions don’t include built-in drivers for the RTL8761BUV chipset, you’ll need to install them manually:
This is rarely a driver issue.
. While the adapter works with USB 3.0 ports, some users have reported more stable performance on USB 2.0.
If your laptop or motherboard has built-in Bluetooth, you must disable it. Right-click the Start menu and select Device Manager . Expand the Bluetooth section.
Select the driver package matching your operating system (e.g., Ugreen CM390 Bluetooth 5.0 Driver for Windows 7/10/11 ). Download the compressed .zip file to your local storage. Step 2: Extract and Prepare the Installation Yes and no
Verify that (or a similar specific Realtek name) is listed without any yellow warning triangles or exclamation marks.
The UGREEN Bluetooth 5.0 USB Adapter (Model CM390 / Item 80889) is designed for easy setup on Windows systems. While it is often on modern versions of Windows, manual driver installation may be necessary for older versions like Windows 7 or if the system fails to recognize it automatically. Installation Methods
. Remove the device from Windows’ list of paired devices and go through the pairing process again. On Windows 8