Ugreen Bluetooth 50 Usb Adapter Cm390 Driver Install Jun 2026

To set up the , you must install the specific Realtek driver to enable features like EDR (Enhanced Data Rate) and stable multi-device support. While some Windows versions might attempt a basic "Plug and Play" setup, a manual driver installation is strongly recommended to ensure full compatibility with devices like headsets, game controllers, and keyboards. Preparation and Driver Retrieval

Installing the UGREEN CM390 Bluetooth 5.0 adapter is usually a straightforward process. For most Windows 10 and 11 users, the process is completely automatic. If not, using the provided CD, downloading the driver from the official UGREEN website, or using Device Manager provides reliable alternatives for getting your system connected. With the adapter installed and configured, you can enjoy a clutter-free, wireless experience with all your favorite Bluetooth devices. This tiny dongle is a powerful tool for modernizing your PC's connectivity.

How do you know you are done? A successful CM390 driver install looks like this:

cd usb sudo make install cd .. sudo cp rtkbt-firmware/lib/firmware/rtl8761bu_fw /lib/firmware/ sudo cp rtkbt-firmware/lib/firmware/rtl8761bu_config /lib/firmware/

If Windows Update fails to find the driver, or if you are using Windows 7, you must download the official driver package. The CM390 utilizes a Realtek RTL8761B chipset. Step 1: Download the Driver Package ugreen bluetooth 50 usb adapter cm390 driver install

If your laptop or desktop already has an internal Bluetooth chip, you must disable it first. Go to Device Manager > Bluetooth , right-click the internal adapter (e.g., Intel Wireless Bluetooth), and select Disable device .

If the adapter isn't recognized automatically, follow these steps to install the official drivers: Go to the UGREEN Download Center Search for product model " " (the part number for

The UGREEN CM390 Bluetooth 5.0 USB adapter allows you to connect wireless devices to your PC. Getting it to work smoothly requires the correct driver installation.

If you don't have a CD drive or prefer the latest driver version, downloading from the official website is the best approach. To set up the , you must install

Unplug any previous Bluetooth dongles before starting the setup. 3. Installation Process

The UGREEN CM390 also works with Linux-based operating systems, although it typically requires some manual setup. The process often involves downloading a Linux driver package (such as 20201202_LINUX_BT_DRIVER ), extracting it, and using terminal commands like cd , make install , and sudo cp to copy firmware files (e.g., rtl8761bu_fw ) to the /lib/firmware/ directory. A system restart is then usually required. You can find detailed guides for specific distributions like Ubuntu online, often using the product number "80889".

When the installer prompts you, insert the Ugreen CM390 USB adapter into your computer. Wait for the progress bar to complete, then click . Restart your computer to apply the system changes. Method 3: Installation on Linux Systems

During driver installation, users may encounter issues such as: For most Windows 10 and 11 users, the

Open the extracted folder and look for the application file named setup.exe . Step 3: Run the Setup Wizard Right-click setup.exe and select . If prompted by User Account Control (UAC), click Yes .

If you’re a Linux user, the process is more manual. Linux does not automatically support the Realtek RTL8761BUV chip used in the CM390 out-of-the-box on all distributions, especially older ones. However, it is possible to get it working with a few commands.

Right-click the file and select from the context menu.

If you are running an older or highly specific version of Windows, right-click setup.exe , go to Properties > Compatibility , check Run this program in compatibility mode for , select your operating system, and run the installer again. Driver Fails to Install or Throws an Error