Older Bluetooth caches can prevent successful pairing.
If you plug in the UGREEN CM390 and Windows doesn't automatically grab the driver within 2 minutes, manually install the via Device Manager. ugreen bluetooth 50 usb adapter cm390 driver install
(Product ID: 80889) is often a "tale of two cities": a seamless plug-and-play experience for most modern Windows users, but a technical hurdle for those with older systems or conflicting hardware. Older Bluetooth caches can prevent successful pairing
UGreen is a peripheral assembler. The CM390 typically uses a chipset. While UGreen provides a driver CD (which most modern PCs lack), Microsoft’s generic drivers often fail to initialize this specific chip correctly. UGreen is a peripheral assembler
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.
With the correct driver installed, the CM390 demonstrates the capabilities inherent to the Bluetooth 5.0 standard:
The Bluetooth Support Service is disabled.