The UGREEN Bluetooth 5.0 USB Adapter (Model: CM390) is one of the most popular dongles on the market. It promises instant wireless connectivity for mice, keyboards, headphones, and game controllers. However, the phrase is searched thousands of times per month. Why? Because despite being "plug-and-play" in theory, Windows often fails to automatically load the correct driver.
Every UGREEN CM390 package includes a CD that contains the necessary drivers and installation software. If your computer has an optical drive, simply insert the CD, navigate to the appropriate folder for your operating system, and run the setup.exe file. The CD is particularly useful if you’re installing the adapter on a computer without an active internet connection.
in the system tray (lower-right corner of the screen). If present, the adapter is active.
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Once inserted, the wizard will detect the hardware and finalize the driver configuration. 5. Complete and Reboot ugreen bluetooth 50 usb adapter cm390 driver install
If you are encountering any specific errors during the setup process, tell me you are running or the exact error code you see in Device Manager so I can provide a targeted fix. Share public link
Now, enjoy your wireless freedom. Your UGreen CM390 should be ready to pair with your Xbox controller, Sony headphones, or Magic Mouse. If you found this guide helpful, save it—you’ll need it the next time Windows decides to "update" your driver.
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
UGREEN recently released a unified driver tool. While the box says "No driver needed," this tool resolves 99% of installation issues. The UGREEN Bluetooth 5
After completing the driver installation process, here’s how to confirm that your UGREEN CM390 is working correctly:
Click when the installation completes. The wizard will likely prompt you to restart your computer. Save any open work and select Restart Now to allow the system registry to load the new Realtek Bluetooth stack properly. Step 4: Verify the Installation
To help troubleshoot further, please share your and any specific error messages you see during setup. Share public link
Restart your computer when prompted to finalize installation. 4. Verification If your computer has an optical drive, simply
in open areas, though real-world use typically covers 1 to 1.5 rooms.
A: No. The CM390 is hot-swappable. However, if you plan to never use it again, go to Device Manager > Uninstall device to keep your system clean.
: These older operating systems require manual driver installation . The drivers are not included in the standard Windows driver repository, so you’ll need to either use the included CD or download the drivers from the official UGREEN website.
Manual driver installation is strictly required. The OS lacks built-in Bluetooth 5.0 architecture.
The UGREEN CM390 is a compact external USB Bluetooth 5.0 adapter designed to add wireless connectivity to desktop computers or laptops that lack built-in Bluetooth support. It serves as an ideal solution for older systems, providing fast, stable, and long-range wireless connectivity for a variety of Bluetooth-enabled peripherals.
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