Ugreen Bluetooth 5.0 Usb Adapter Cm390 Driver Online
The Ugreen Bluetooth 5.0 USB adapter CM390 is a device that enables users to add Bluetooth functionality to their computers or laptops that lack built-in Bluetooth capabilities. This adapter is particularly useful for those who want to connect their Bluetooth devices, such as headphones, speakers, or smartphones, to their computers without the hassle of cables.
UGREEN does not host drivers on their main website, but the chipset manufacturer (Realtek) provides them. ugreen bluetooth 5.0 usb adapter cm390 driver
If your computer features an internal or external optical drive, follow the media installation: The Ugreen Bluetooth 5
This usually indicates a driver conflict. If your computer features an internal or external
Run the downloaded driver installer and follow the on-screen prompts. after the installation is complete. Technical Specifications UGREEN CM390 Bluetooth 5.0 USB Adapter User Manual
| Problem | Solution | |--------|----------| | Adapter not detected at all | Try a different USB port. Avoid USB hubs. | | Bluetooth on/off toggle is missing | Uninstall the device in Device Manager, unplug, restart PC, then plug back in. | | Pairing fails or devices disconnect | Remove old Bluetooth drivers (from other dongles) first. Then install CM390 drivers fresh. | | Works in Windows but not in Linux | Install firmware-realtek as shown above. |

