Ugreen Bluetooth 5.0 Usb Adapter Cm390 Driver ((top))

I understand you're looking for the driver for the UGREEN Bluetooth 5.0 USB Adapter (Model: CM390).

The UGREEN Bluetooth 5.0 USB Adapter (Model CM390) Go to product viewer dialog for this item. ugreen bluetooth 5.0 usb adapter cm390 driver

Issue 4: Blue Screen of Death (BSOD) – “rtbt.sys failed”

Cause: Corrupt driver installation or conflict with another Bluetooth stack (e.g., Intel or Toshiba stack). Solution: I understand you're looking for the driver for

Method 1: The Official UGREEN Support Website (Recommended)

  1. Open your browser and go to the official UGREEN Support page (support.ugreen.com).
  2. In the search bar, type "CM390" or "Bluetooth 5.0 Adapter".
  3. Select your product from the list.
  4. Navigate to the "Downloads" or "Drivers" tab.
  5. Download the file named something like: “UGREEN_Bluetooth_5.0_Driver_CM390_Win7_8_10_11.zip”

Option 3: If Windows fails to auto-install Open your browser and go to the official