Ugreen Bluetooth 50 Usb Adapter Cm390 Driver Install 〈500+ POPULAR〉

The Ultimate Guide to UGREEN Bluetooth 5.0 USB Adapter CM390 Driver Install

Struggling to get your UGREEN CM390 Bluetooth adapter working? You are not alone.

Step 2: Extract the ZIP file. Step 3: Open Device Manager (Right-click Start button → Device Manager). Step 4: Look for an unknown device under "Universal Serial Bus devices" or "Other devices". It might say "Unknown Device" or "Bluetooth Adapter". Step 5: Right-click the device → Update driver → Browse my computer for drivers → Let me pick from a list... → Have Disk. Step 6: Browse to the extracted folder and select the .inf file (usually rtbt.inf or rtl8761b.inf). Step 7: Click OK → Next. Ignore the "This driver is not digitally signed" warning if it appears (for Windows 7/8). ugreen bluetooth 50 usb adapter cm390 driver install

Plug the adapter back in so Windows recognizes it as the primary Bluetooth source. The Manual Quest for Drivers The Ultimate Guide to UGREEN Bluetooth 5

Phase 3: Manual Installation (The "Solid" Method) Step 3: Open Device Manager (Right-click Start button

Driver Error: If you see a "Driver Error" message in Windows Settings, uninstall the device from Device Manager, unplug it, and run the setup.exe again as an Administrator.

If you plug in the UGREEN CM390 and Windows doesn't automatically grab the driver within 2 minutes, manually install the Realtek Bluetooth Driver (RTL8761B) via Device Manager.