Bluetooth 50 Usb Adapter Cm390 Driver Install !!top!! - Ugreen
The Ultimate Guide to UGREEN Bluetooth 5.0 USB Adapter CM390 Driver Install
Now, enjoy your wireless freedom. Your UGreen CM390 should be ready to pair with your Xbox controller, Sony headphones, or Magic Mouse. If you found this guide helpful, save it—you’ll need it the next time Windows decides to "update" your driver.
- Right-click the Start button and select Device Manager.
- Look for Other devices > "Unknown device" (it will have a yellow exclamation mark).
- Right-click it > Update driver.
- Select Browse my computer for drivers.
- Navigate to the folder where you extracted the drivers.
- Click Next.
Linux (Ubuntu / Pop!_OS / Mint)
Windows 7
If you are on or Windows 8 , you may see a red error. ugreen bluetooth 50 usb adapter cm390 driver install
If you just plugged it in and nothing happened (or you see "Unknown USB Device"), this guide is for you. The Ultimate Guide to UGREEN Bluetooth 5
- Model to verify: CM390 (printed on the dongle or packaging)
- Chipset inside: Usually Realtek RTL8761B or Realtek RTL8671B
- Supported OS: Windows 7, 8, 10, 11 (may also work on Linux/macOS with generic drivers, but UGREEN officially targets Windows)
📖 A Short Story: The Driver That Wouldn’t Speak
Q: The driver install fails on Windows 7. Help.
A: Windows 7 lacks native Bluetooth 5.0 support. You must install Windows 7 Platform Update (KB3138612) first, then install the Realtek driver. Even then, some audio profiles (A2DP) may not work. Right-click the Start button and select Device Manager