Ugreen Bluetooth 50 Usb Adapter Cm390 Driver Install [upd]

If you’ve purchased a UGREEN CM390 Bluetooth 5.0 USB adapter (also known as SKU 80889 or 80890), you’ve likely realized that getting it to work isn’t always as simple as plug-and-play. While some computers recognize the device immediately, others require a driver installation to enable full Bluetooth functionality—especially if you’re running older versions of Windows. This comprehensive guide covers everything you need to know about installing drivers for the UGREEN CM390, from locating the correct driver files to troubleshooting common issues, regardless of your operating system.

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The typically uses a Realtek or MediaTek chipset . On Windows 10/11 , drivers usually install automatically. If not, follow these steps:

Ensure you see listed without any yellow warning triangles. 5. Troubleshooting Common Installation Errors Driver Fails to Install or Gives an Error ugreen bluetooth 50 usb adapter cm390 driver install

into a USB port.

Before diving into the driver installation process, it’s important to understand which operating systems are compatible with the UGREEN CM390.

How to Download and Install Ugreen Bluetooth 5.0 USB Adapter (CM390) Drivers If you’ve purchased a UGREEN CM390 Bluetooth 5

Therefore, the first step is always the simplest: . If your PC immediately recognizes it and you can start pairing devices, you’re done. If it doesn’t, or if you’re on Windows 7, proceed with one of the manual methods below.

| Specification | Details | |---|---| | | CM390 | | SKUs | 80889 / 80890 | | Bluetooth Version | 5.0+EDR (Enhanced Data Rate) | | Chipset | Realtek RTL8761BUV | | Transmission Distance | 20m (no obstacles) / Up to 30m in ideal conditions | | Frequency Range | 2400MHz–2483.5MHz | | Compatible OS | Windows 7, 8.1, 10, 11 (does NOT support macOS) | | Supported Protocols | A2DP, HSP, AVRCP, HID, PAN, GAVDP, DID, IOPT | | RF Output Power | 4dBm | | Package Contents | Bluetooth 5.0 adapter ×1, User manual ×1, CD driver disc ×1 | | Dimensions | 53mm × 24mm × 13mm |

If you are experiencing a specific error during setup, please let me know: user wants a comprehensive article about installing drivers

Understanding the hardware capabilities helps ensure compatibility with your peripherals: CM390 (Part Number: 80889)

If your laptop or motherboard has an internal Bluetooth chip, you must disable it. Windows cannot manage two conflicting Bluetooth radios simultaneously. Right-click the and select Device Manager . Expand the Bluetooth section.