: If the icon doesn't appear, use the provided CD or download the driver from the UGREEN Download Center by searching for model "80889" . Restart : Reboot your computer to finalize the installation. Detailed Installation Methods Method A: Automatic Installation (Plug & Play) Works best on Windows 11 and 10 .
. Some installation wizards show a popup instructing you to unplug the adapter, then plug it back in after a few seconds. Follow these instructions carefully. ugreen bluetooth 50 usb adapter cm390 driver install
Temporarily disable third-party antivirus software or Windows Defender real-time protection during the installation process, as strict security algorithms occasionally block hardware driver modifications. Audio Stuttering or Range Issues : If the icon doesn't appear, use the
Plug the UGREEN CM390 adapter into an available . For desktop computers, using a rear motherboard port often yields better power stability than front-panel ports. : If the icon doesn't appear
Comprehensive Guide: How to Install Ugreen Bluetooth 5.0 USB Adapter (CM390) Drivers