Ugreen Bluetooth 50 Usb Adapter Cm390 Driver Install

Microsoft has pushed stable Realtek drivers via Windows Update. Here is how to force Windows to find them.

Success indicator: After reboot, "Bluetooth" appears as a category in Device Manager, and the system tray icon appears. ugreen bluetooth 50 usb adapter cm390 driver install

With the correct driver installed, the CM390 demonstrates the capabilities inherent to the Bluetooth 5.0 standard: Microsoft has pushed stable Realtek drivers via Windows

Cause: The CM390 uses a hideable boot mode. Some apps (like Bluetooth tray apps) hide audio devices. Success indicator: After reboot, "Bluetooth" appears as a

Fix:

You installed the driver, but it still shows "Driver Error (Code 10)" or "Device cannot start." Here is why.

If Windows Update fails, go straight to the source.

  • Extract the files: Right-click the .cab file > Extract All to a folder (e.g., C:\BT_Driver).
  • Manual Install:
  • Ignore the security warning: Click "Install this driver software anyway."