Modern computers often lack CD drives. Using the official online download page is the recommended method in 2026.
If driver fails to load, download and run the driver package from UGREEN’s site, then restart.
If you see any yellow warning triangle, the driver is missing or corrupted.
options btusb enable_autosuspend=0
Plug the UGREEN CM390 Bluetooth adapter into a USB port on your computer. Step 2: Automatic Installation (Win 10/11) ugreen bluetooth 5.0 usb adapter cm390 driver
Works with Bluetooth mice, keyboards, printers, headphones, and speakers.
: These versions require manual driver installation to function properly. Installation Methods :
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.
Activates advanced audio codecs for lower latency and clearer sound on wireless headphones. Modern computers often lack CD drives
If it doesn’t appear in Device Manager after 2 minutes, move to Option 2.
Follow the installation wizard and click to restart your computer. 2. Important Troubleshooting Tip
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Yes, but you must download the driver from UGREEN’s website. Windows 7 lacks native Bluetooth 5.0 drivers. Also, you need to have installed the KB3020369 and KB3172605 updates for USB 3.0 support. If you see any yellow warning triangle, the
UGREEN Bluetooth 5.0 USB Adapter (Model CM390 / Part Number 80889)
No. Windows can only handle one Bluetooth radio. Disable the internal Bluetooth in Device Manager (or BIOS) before inserting the CM390.
is an incredibly popular, low-cost solution designed to add high-speed Bluetooth 5.0 connectivity to your PC.
Locate the "Generic Bluetooth Adapter," right-click it, and select Update driver