While it is often plug-and-play, you may need a manual driver installation. This is necessary if your operating system does not recognize it, or if you experience audio stuttering. Operating System Compatibility Overview
The CM390 may work automatically. Some users on Debian 12 have reported success after upgrading to a newer kernel, such as the 6.6.6 kernel from the Liquorix repository or later kernels 6.2+ that come with newer firmware out of the box.
once the installation finishes.
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 ugreen bluetooth 50 usb adapter cm390 driver install
Open your web browser and navigate to the official .
. While the adapter works with USB 3.0 ports, some users have reported more stable performance on USB 2.0.
If you are running an older or highly specific version of Windows, right-click setup.exe , go to Properties > Compatibility , check Run this program in compatibility mode for , select your operating system, and run the installer again. Driver Fails to Install or Throws an Error While it is often plug-and-play, you may need
containing the extracted driver files (the same folder you downloaded from UGREEN’s website).
While the device is "Plug and Play" on Windows 10 and 11, manual driver installation is often required for Windows 7/8.1 or to resolve stability issues. UGREEN CM390 Bluetooth 5.0 USB Adapter User Manual
I can provide based on your setup. Share public link Some users on Debian 12 have reported success
: Once installed, a Bluetooth icon should appear in the lower-right corner of your taskbar. Manual Driver Installation
Your (e.g., Windows 10, Windows 11) The exact error message or behavior you are seeing
The UGREEN CM390 is officially compatible with Windows 7, Windows 8.1, Windows 10, and Windows 11. However, the driver installation experience differs significantly across these versions:
Older Bluetooth caches can prevent successful pairing.
A: Absolutely. After driver install, pair the controller via Bluetooth. Note: Xbox Series X controllers require a firmware update from Xbox Accessories app on Windows.