If your OS did not auto-install the driver, follow these steps.
Do not let driver confusion ruin your experience. Follow this guide, and within 10 minutes, your old desktop will be streaming music to high-end headphones and connecting to a mechanical keyboard as if it were a brand new laptop.
: macOS, Linux, Android, iOS, or smart TVs 🛠️ Step-by-Step Driver Installation Guide
Click "Next" through the "Realtek Bluetooth Driver InstallShield Wizard". Restart: ugreen bluetooth 5.0 usb adapter cm390 driver
UGREEN Bluetooth Adapter 5.0V 20 Meter Range – CM390 – 80889 – 1 Year Warranty * Bluetooth Version: 5.0+EDR (Enhanced Data Rate) * Ugreen Sri Lanka Question about Ugreen CM390 - Galaxus
: Unlike newer operating systems, Windows 7 requires a driver to be installed manually from the UGREEN website.
UGREEN Bluetooth 5.0 USB Adapter (Model CM390 / Part Number 80889) If your OS did not auto-install the driver,
Ensure your Bluetooth headset is selected as the Output device, and not a built-in microphone/hands-free telephone profile. 3. Error Codes in Device Manager
This error indicates a driver conflict with built-in Bluetooth hardware. Open . Expand the Bluetooth section. Right-click the internal generic Bluetooth radio adapter. Click Disable device . Unplug and reinsert the UGREEN USB adapter. Driver Signature Enforcement Error
Try a different USB port, preferably a USB 2.0 port on the back of your desktop tower if possible. : macOS, Linux, Android, iOS, or smart TVs
Do not panic. Windows Update may have been disabled, or your specific build lacks the driver. That is when you need the manual driver.
While the device often includes a driver CD, you can install it without one using these methods:
If your computer already has built-in Bluetooth, it might conflict with the UGREEN adapter. To fix this: Right-click the button and select Device Manager . Expand the Bluetooth category.
Ensures seamless operation with Windows 7, 8.1, 10, and 11. Step-by-Step Installation Guide If you just purchased your UGREEN CM390 Go to product viewer dialog for this item.
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