) typically requires a manual driver installation to function correctly. 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 .
(part number 80889) via "plug-and-play," installing the dedicated manufacturer driver can prevent issues like poor range, connectivity drops, or inability to pair specific devices. The driver ensures compatibility with Bluetooth 5.0 protocols, allowing for lower power consumption and faster data transfer rates compared to older 4.0 adapters. How to Download and Install the UGREEN CM390 UGREEN CM390
The Bluetooth 5.0 protocol allows the Go to product viewer dialog for this item.
Understanding the hardware capabilities helps ensure correct configuration during driver setup: ugreen bluetooth 5.0 usb adapter cm390 driver
Do not let driver confusion ruin your experience. Follow this guide, and within 10 minutes, your old desktop will be streaming music to high-end headphones and connecting to a mechanical keyboard as if it were a brand new laptop.
Plug the UGREEN adapter into a (recommended for less signal interference). Troubleshooting Common CM390 Issues
The driver package is relatively small—approximately . ) typically requires a manual driver installation to
With the driver properly installed, your UGREEN CM390 will provide years of reliable Bluetooth connectivity, freeing your desk from cables and expanding your computer's wireless capabilities.
If the adapter shows as "Unknown Device," uninstall the driver in Device Manager, unplug the adapter, restart, and then run the installer again. 5. Frequently Asked Questions (FAQ)
UGREEN Bluetooth 5.0 USB Adapter CM390 Driver & Installation Guide (2026) Run the setup
Address these common errors if your adapter fails to connect. Error: "Device Cannot Start (Code 10)"
Confirm any pairing codes on both devices to complete the connection.