Ugreen Bluetooth 50 Usb: Adapter Cm390 Driver Install

Short story — "UGREEN Bluetooth 5.0 USB Adapter CM390: Driver Install"

6. Method 4: Using the Official UGREEN USB Driver Tool (2024 Update)

Linux integration relies on kernel modules and firmware blobs.

3. Installation Procedures

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Search for the product model number (this is the specific SKU for the CM390). ugreen bluetooth 50 usb adapter cm390 driver install

✅ UGREEN Bluetooth 5.0 USB Adapter CM390 – Driver Installation Guide

• Disable driver signature enforcement (for old Windows versions).
• Update USB host controllers via Device Manager.
• If the device shows as “Unknown,” uninstall it, unplug, reboot, then reinsert.

Restart:

Once the installation finishes, restart your computer to finalize the driver integration. 4. Verifying the Installation To confirm the adapter is working correctly: Open Device Manager . Look under the Bluetooth section. Short story — "UGREEN Bluetooth 5

The OS identifies the device via its Vendor ID (VID) and Product ID (PID). For the CM390, these identifiers typically map to Realtek generic identifiers (e.g., VID_0BDA&PID_8771 ). The complexity of installation often arises when the operating system attempts to match these IDs against its generic driver library, frequently resulting in a "Bluetooth Dongle" error or limited functionality. Restart: Once the installation finishes