This is rarely a driver issue.
Music flowed clean and crisp. Evan leaned back, satisfied. The CM390’s firmware update option in the installer promised better stability; he accepted and let the utility apply the patch. A tiny progress notification climbed slowly, then completed. “Update successful,” it said. Evan felt oddly proud—a small, quiet victory.
: Extract the .zip file, find setup.exe , and follow the InstallShield Wizard prompts. Finish : Click "Finish" and restart your PC. Troubleshooting & Tips Question about Ugreen CM390 - Galaxus
If your computer has built-in Bluetooth, the UGREEN adapter might conflict with it. Open Device Manager . ugreen bluetooth 50 usb adapter cm390 driver install
Your device now uses the manufacturer driver instead of Microsoft's generic stack.
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.
Features low audio delay (approx. 100ms), making it suitable for video and light gaming. Compatibility: Works with Windows (7/8.1/10/11) and Linux. It is not compatible with PS5, PS4, or Nintendo Switch. Driver Installation Guide This is rarely a driver issue
You can find it here: . This is the most reliable source, as it will always have the most up-to-date version of the driver. The file is approximately 145.4 MB and was last updated in August 2024, so a stable internet connection is needed.
The Ugreen CM390 Bluetooth 5.0 USB adapter is a popular, budget-friendly solution for adding wireless connectivity to desktop computers and older laptops. While the device features plug-and-play functionality on newer operating systems, certain setups require manual driver installation to unlock stable audio streaming, controller connectivity, and data transfer.
This automatic method relies on generic Microsoft Bluetooth drivers or drivers already present in Windows Update. For most standard use cases, this provides full functionality, and you can skip the manual driver installation steps. The CM390’s firmware update option in the installer
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Ensure you see listed without any yellow warning triangles. 5. Troubleshooting Common Installation Errors Driver Fails to Install or Gives an Error
By following this guide and using the official UGREEN resources at , you’ll be up and running in no time, ready to connect all your favorite wireless peripherals. For any persistent issues, UGREEN provides support via email at addresses like support.us@ugreen.com, and you can find their latest drivers and manuals on their official website. Enjoy the freedom of wireless!
For many, the story is incredibly short. On modern systems like , users often plug the tiny, fingernail-sized adapter into a USB port and find that Windows automatically identifies it as a "Bluetooth Radio". Within seconds, the Bluetooth icon appears in the system tray, and they are immediately able to pair up to seven devices . The "Built-in Conflict" Plot Twist