Usb Adapter Cm390 Driver Install [patched] | Ugreen Bluetooth 50

: 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.

. While the adapter works with USB 3.0 ports, some users have reported more stable performance on USB 2.0.

If you're using a Windows computer, follow these steps to install the driver:

. Windows will recognize the new hardware and attempt to install the necessary drivers automatically. This process usually completes within a few seconds. ugreen bluetooth 50 usb adapter cm390 driver install

If you need help with a specific part of the setup, let me know: Your (Windows 10, 11, or Linux?) The exact error message you see (if any)

Sometimes a USB 3.0 port can cause issues, try plugging it into a USB 2.0 port if available. 5. Conclusion

Once installed correctly, the CM390 is a rock-solid adapter. You will enjoy low-latency audio, simultaneous connections to multiple devices (keyboard + mouse + headphones), and the full 20-meter range of Bluetooth 5.0. : These older operating systems require manual driver

The Ugreen Bluetooth 5.0 USB Adapter (CM390) is a popular, compact solution for adding wireless connectivity to desktop computers and laptops. While modern operating systems like Windows 10 and Windows 11 often feature plug-and-play functionality, installing the official dedicated drivers is essential to unlock the adapter's full potential, ensure audio stability, and prevent random disconnections.

: Multiple user reviews confirm that the CM390 “works fine” and “perfectly” on Windows 11.

If your PC already has an older, non-working Bluetooth card, disable it in Device Manager before plugging in the Ugreen adapter to avoid conflicts. While the adapter works with USB 3

Go to the official UGREEN support page: support.ugreen.com (Search for "CM390"). Step 2: Download the "UGREEN Bluetooth Driver Installer" (approx 35MB). Step 3: Run the .exe as Administrator (Right-click → Run as administrator). Step 4: Click "Install Driver" . The tool will automatically detect the CM390. Step 5: Wait for the command prompt window to close. Do not unplug the dongle. Step 6: Restart your PC.

. Right-click setup.exe and select “Run as administrator” to ensure the installation has the necessary permissions.

. The UGREEN CM390 has a maximum transmission distance of up to 20 meters (approximately 65 feet) in open spaces. Walls, furniture, and other obstacles can reduce this range significantly, so ensure your Bluetooth devices are close to the adapter during pairing.