Ugreen Bluetooth 5.0 Usb Adapter Cm390 Driver ((better)) Link

Before diving into the driver details, let's quickly understand the device. The UGREEN CM390 (also known by its product SKU ) is an external USB Bluetooth adapter designed primarily to add or upgrade Bluetooth functionality to Windows computers. It's equipped with the Realtek RTL8761BUV chip , which is the key component that requires the specific driver to communicate with your operating system.

If your computer already has built-in Bluetooth (which is not working properly) or you are upgrading from a different adapter, you must disable the existing Bluetooth driver to avoid conflicts: Right-click the Start button and select . Expand the Bluetooth section.

Corrupt driver installation or conflict with another Bluetooth stack (e.g., Intel or Toshiba stack). Solution:

UGREEN Bluetooth 5.0 USB Adapter (Model CM390 / Part Number 80889) ugreen bluetooth 5.0 usb adapter cm390 driver

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is a compact dongle that enables wireless connectivity for PCs and laptops lacking built-in Bluetooth. While many modern systems recognize it automatically, manual driver installation is often required for full functionality on older versions of Windows. Driver Installation Guide

Follow the on-screen prompts provided by the Realtek installation wizard. Before diving into the driver details, let's quickly

The Bluetooth service is not running, or antenna gain is low (USB 3.0 interference). Solution:

If you're a Linux user, be aware that official support is absent, though community efforts have yielded partial functionality with recent kernels. And if you're on macOS, you'll need to look elsewhere for Bluetooth solutions.

In an age where wireless peripherals are the norm, having a reliable Bluetooth connection on your PC is essential. The is a popular, compact, and affordable solution for adding Bluetooth functionality to desktop computers or upgrading older laptops. If your computer already has built-in Bluetooth (which

UGREEN officially notes that the product only supports Windows systems and is not compatible with Mac OS, Linux, car head units, TVs, or other non-Windows operating systems.

If UGREEN’s link is broken, use the generic Realtek driver: