Ugreen Bluetooth 50 Usb Adapter Cm390 Driver Install Patched -
Struggling to get your UGREEN CM390 Bluetooth adapter working? You are not alone.
☐ Avoid USB 3.0 ports (blue inside). Use USB 2.0 (black/grey). USB 3.0 emits radio noise that kills Bluetooth 2.4GHz signals. ☐ USB Extension cable: If the dongle is plugged into the back of a metal tower PC, use a short USB 2.0 extension cable to bring the adapter into open air. This doubles range. ☐ Disable onboard Bluetooth: If your laptop has built-in Bluetooth, disable it in BIOS or Device Manager. Two active Bluetooth radios will conflict. ☐ Run the official UGREEN tool (Method 4) even if Windows says the driver is installed. It cleans orphaned registry keys. ☐ Restart, don't shut down. Windows Fast Startup often prevents Bluetooth drivers from loading correctly. After install, do a full Restart (not Shutdown + Power on). Frequently Asked Questions Q: Does the UGREEN CM390 work with AirPods? A: Yes, but you need Windows 10/11 and a proper driver. After installation, go to Bluetooth settings → Add Device → AirPods (hold the button on the AirPods case). ugreen bluetooth 50 usb adapter cm390 driver install
Pro Tip: On Windows 11, go to . Look for "Realtek Semiconductor Corp. – Bluetooth – [Version Number]" and check the box. Click "Download & install". Struggling to get your UGREEN CM390 Bluetooth adapter
Once installed correctly, the CM390 is a rock-solid adapter. You will enjoy low-latency audio, simultaneous connections to multiple devices (keyboard + mouse + headphones), and the full 20-meter range of Bluetooth 5.0. Use USB 2
A: USB port power saving. Go to Power Options → Change plan settings → Change advanced power settings → USB settings → USB selective suspend setting → Disable.
Open Device Manager. Step 2: Expand "Bluetooth" . Step 3: Right-click "Generic Bluetooth Radio" → Properties → Driver tab. Step 4: Click "Update Driver" → "Browse my computer..." → "Let me pick from a list..." . Step 5: Uncheck "Show compatible hardware". Step 6: In the left pane, select "Realtek Semiconductor Corp." . Step 7: In the right pane, select "Realtek Bluetooth 5.0 Adapter" or "Realtek Radio" . Step 8: Click Next. If you see a compatibility warning, click Yes.
The UGREEN Bluetooth 5.0 USB Adapter (Model: CM390) is one of the most popular dongles on the market. It promises instant wireless connectivity for mice, keyboards, headphones, and game controllers. However, the phrase is searched thousands of times per month. Why? Because despite being "plug-and-play" in theory, Windows often fails to automatically load the correct driver.