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Ugreen Bluetooth 50 Usb Adapter Cm390 Driver Install Site

UGREEN recently released a unified driver tool. While the box says "No driver needed," this tool resolves 99% of installation issues.

A restart is crucial to ensure the drivers are properly loaded into the system. Troubleshooting: Common Driver Installation Issues

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 ugreen bluetooth 50 usb adapter cm390 driver install

Once the Bluetooth icon appears in your system tray (lower-right corner): UGREEN CM390 Bluetooth 5.0 USB Adapter User Manual 25 Jan 2022 —

Confirm by opening ; the adapter should appear under "Bluetooth". Method B: Manual Driver Download (Model 80889) UGREEN recently released a unified driver tool

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

Right-click the downloaded ZIP file, select Extract All , and choose a destination folder. Step 3: Install the Driver via Setup Wizard Once extracted, follow these steps to install the software: Right-click the downloaded ZIP file, select Extract All

. Right-click setup.exe and select “Run as administrator” to ensure the installation has the necessary permissions.

The CM390 is too small to come with a CD. If you lost the manual, scan the QR code on the back of the plastic packaging. It usually links directly to: driver.ugreen.com (Search for "CM390").

☐ Avoid USB 3.0 ports (blue inside). Use USB 2.0 (black/grey). USB 3.0 emits radio noise that kills Bluetooth 2.4GHz signals. ☐ USB Extension cable: If the dongle is plugged into the back of a metal tower PC, use a short USB 2.0 extension cable to bring the adapter into open air. This doubles range. ☐ Disable onboard Bluetooth: If your laptop has built-in Bluetooth, disable it in BIOS or Device Manager. Two active Bluetooth radios will conflict. ☐ Run the official UGREEN tool (Method 4) even if Windows says the driver is installed. It cleans orphaned registry keys. ☐ Restart, don't shut down. Windows Fast Startup often prevents Bluetooth drivers from loading correctly. After install, do a full Restart (not Shutdown + Power on).