Ugreen Bluetooth 5.0 Usb Adapter Cm390 Driver [ 2027 ]

Cause: Windows cannot find the correct INF file. Solution:

As of 2025, UGREEN hosts drivers on their Google Drive or static servers. Here is the process:

For Arch Linux: Use the rtl8761b-firmware package from AUR.

Note: Some Linux distributions (Fedora 38+) include this firmware by default. Try a live USB first.

Sometimes, the UGREEN CM390 might be genuinely faulty or incompatible with your specific device. Here are superior alternatives depending on your use case.

If you decide to stick with the CM390, it remains an excellent choice for Windows users who don’t mind a 5-minute driver setup.

The UGREEN Bluetooth 5.0 USB Adapter CM390 offers fantastic value: low latency, long range, and broad compatibility across Windows and Linux. However, the phrase “UGREEN Bluetooth 5.0 USB adapter CM390 driver” has become a common search because the adapter does not work entirely out of the box on older operating systems or certain Linux distributions.

Final Pro Tip: Before buying any USB Bluetooth adapter, assume you will need to install a driver manually. Bookmark this guide, download the driver from Realtek’s site, and keep a copy on your cloud storage. This way, whether you are setting up a new PC or reviving an old one, your UGREEN CM390 will work perfectly within five minutes.

If you are still struggling after following this guide, leave a comment below (or reach out to UGREEN support). More often than not, the fix is as simple as moving the dongle from a USB 3.0 port to a USB 2.0 port or disabling power management.

Ready to connect? Plug in your CM390, install that driver, and enjoy wireless freedom.

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.

Overview of the Ugreen Bluetooth 5.0 USB Adapter CM390

The Ugreen Bluetooth 5.0 USB adapter CM390 is a small, compact device that plugs into a USB port on a computer or laptop. It uses the latest Bluetooth 5.0 technology, which provides a stable and fast connection to Bluetooth devices. The adapter supports a wide range of Bluetooth devices, including headphones, speakers, smartphones, and tablets. ugreen bluetooth 5.0 usb adapter cm390 driver

Key Features of the Ugreen Bluetooth 5.0 USB Adapter CM390

Driver Installation and Configuration

To use the Ugreen Bluetooth 5.0 USB adapter CM390, users need to install the necessary drivers on their computers. The drivers can be downloaded from the Ugreen website or from the manufacturer's CD (if provided). The installation process is straightforward and easy to follow.

Once the drivers are installed, users can configure the adapter to work with their Bluetooth devices. This involves pairing the devices with the adapter, which can be done using the Bluetooth settings on the computer or laptop.

Benefits of Using the Ugreen Bluetooth 5.0 USB Adapter CM390

The Ugreen Bluetooth 5.0 USB adapter CM390 offers several benefits to users, including:

Common Issues and Troubleshooting

Some common issues that users may encounter when using the Ugreen Bluetooth 5.0 USB adapter CM390 include:

To troubleshoot these issues, users can try restarting the adapter and their Bluetooth devices, updating the drivers, or moving the adapter to a different USB port.

Conclusion

The Ugreen Bluetooth 5.0 USB adapter CM390 is a useful device that enables users to add Bluetooth functionality to their computers or laptops. With its compact design, easy installation, and fast connection speeds, it is an ideal solution for users who want to connect their Bluetooth devices to their computers without the hassle of cables. By understanding the features, benefits, and potential issues of the adapter, users can get the most out of their device and enjoy a seamless Bluetooth experience.

UGREEN CM390 Bluetooth 5.0 USB Adapter (model number ) is a compact dongle designed to provide wireless connectivity to desktops and laptops. It utilizes the Realtek RTL8761BUV chipset to support Bluetooth 5.0 with Enhanced Data Rate (EDR). Global Brand PLC. Driver Installation Guide

For the adapter to function correctly, the appropriate driver must be installed on your system. Automatic Installation Windows 10 Windows 11

, the driver often installs automatically upon plugging the device into a USB port. Manual Installation (CD) : You can use the included driver CD. Insert it, locate the file, and follow the on-screen prompts to complete the installation. Manual Installation (Online Download) : If you do not have a CD drive, visit the UGREEN official download page and search for product model to download the latest driver package. System Restart : After installation, click Cause: Windows cannot find the correct INF file

to restart your computer and ensure the adapter is fully recognized. Key Specifications & Compatibility

The adapter is built for performance and multi-device management: UGREEN CM390-80889B Bluetooth 5.0 Wireless USB Adapter

UGREEN Bluetooth 5.0 USB Adapter (Model: CM390 / P/N: 80889)

is a compact dongle designed to add Bluetooth connectivity to PCs running Windows. While modern systems like Windows 10 and 11 often support "Plug & Play" for this device, a manual driver installation is sometimes required for full functionality or older operating systems. galaxus.fr How to Download & Install Drivers

If your computer does not automatically recognize the adapter, you can install the driver using these official methods: Direct Download from UGREEN Navigate to the UGREEN Download Center Search for the part number to find the specific driver for the Download the ZIP file, extract it, and run Using the Provided CD

Insert the mini-CD included in the box into your computer's disc drive. Open the folder and double-click to begin the installation. Manual Update via Device Manager Right-click the Start menu and select Device Manager

Locate the "Generic Bluetooth Adapter," right-click it, and select Update driver

Point the wizard to the folder where you extracted the downloaded drivers. galaxus.fr Quick Setup Guide Step 1: Disable Internal Bluetooth

: Before plugging in the UGREEN adapter, ensure any built-in Bluetooth on your laptop or motherboard is disabled in the Device Manager to avoid hardware conflicts. Step 2: Connect

: Plug the adapter into a free USB-A port. The LED indicator should flash during pairing and remain solid once connected. Step 3: Pair Devices : Double-click the Bluetooth icon in your taskbar, select Add Bluetooth or other device

, and put your peripheral (headphones, mouse, etc.) into pairing mode. device.report Key Specifications UGREEN CM390 Bluetooth 5.0 USB Adapter User Manual

To set up the UGREEN Bluetooth 5.0 USB Adapter (CM390) Go to product viewer dialog for this item.

, follow these steps to install the driver and pair your devices. Note that this adapter is compatible with Windows 7, 8.1, and 10. 1. Driver Installation Go to product viewer dialog for this item. (official model number

) typically requires a manual driver installation to function correctly. Option A: Download from Official Site (Recommended) Visit the UGREEN Download Center Search for the product model number . Download the driver package and unzip the folder. Run the setup.exe file and follow the on-screen prompts. Option B: Use the Provided CD Insert the driver CD into your computer's disc drive. Open the folder and double-click setup.exe. For Arch Linux: Use the rtl8761b-firmware package from

Follow the installation wizard and click Finish to restart your computer. 2. Important Troubleshooting Tip

If your computer has built-in Bluetooth, you must disable it before installing the UGREEN adapter to avoid hardware conflicts: Unplug the UGREEN adapter Open Device Manager (Right-click Start > Device Manager).

Find your internal Bluetooth radio, right-click it, and select Disable device. UGREEN adapter back in and proceed with the installation. 3. Pairing a Device

Once the driver is installed, you should see a Bluetooth icon in your system tray.

Enable Bluetooth on your target device (phone, headset, etc.) and set it to pairing mode.

On your PC, double-click the Bluetooth icon in the status bar. Click Add a device and select your device from the list.

Confirm any pairing codes on both devices to complete the connection.

Are you having trouble with the driver specifically, or is the adapter not showing up in your Device Manager? UGREEN CM390 Bluetooth 5.0 USB Adapter User Manual

UGREEN Bluetooth 5.0 USB Adapter (Model CM390 / Part Number 80889)

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

You can set up the adapter using either the included CD or the official digital download. Direct Download : Visit the UGREEN Download Center and search for the product model Hardware Connection

: Plug the adapter into an available USB port. A Bluetooth icon should appear in the system tray. Run Installer : Locate the

file from your download or CD. Follow the on-screen prompts and click

: Once finished, restart your computer to ensure the drivers are fully initialized. Compatibility & Specifications UGREEN CM390 Bluetooth 5.0 USB Adapter User Manual

I understand you're looking for the driver for the UGREEN Bluetooth 5.0 USB Adapter (Model: CM390).

However, I cannot "write a paper" about this driver, as that would be inventing a technical document that doesn't exist or misleading you. Instead, I will give you the factual, correct information to get the driver you need.