Ugreen Bluetooth 50 Usb Adapter Cm390 Driver Install May 2026

After you get it working, use a free tool like Double Driver to back up the working Realtek driver. If you ever reinstall Windows, you can restore the driver in 10 seconds without an internet connection.

UGreen is a peripheral assembler. The CM390 typically uses a chipset. While UGreen provides a driver CD (which most modern PCs lack), Microsoft’s generic drivers often fail to initialize this specific chip correctly. ugreen bluetooth 50 usb adapter cm390 driver install

Introduction: Why the UGreen CM390? In a world where desktop PCs often lack built-in wireless connectivity, the UGreen Bluetooth 5.0 USB Adapter (Model CM390) is a lifesaver. This tiny, nano-sized dongle promises to bring high-speed, low-latency Bluetooth connectivity to your Windows computer, allowing you to connect keyboards, mice, game controllers, AirPods, and speakers. After you get it working, use a free

This article covers everything: automatic installation, manual driver hunting, fixing the dreaded "Code 10" error, and ensuring your adapter works with Windows 10 and 11. Before clicking "Install," you need to know one critical fact: UGreen does not manufacture Bluetooth chips. The CM390 typically uses a chipset

A: That is not a driver issue. That is Bluetooth codec negotiation. The CM390 supports SBC and aptX. Right-click your speaker in "Bluetooth & devices" > Properties > Disable "Handsfree Telephony" to force high-quality audio mode.