Ugreen Bluetooth 5.0 Usb Adapter Cm390 Driver «95% Recent»

The driver is included in the kernel.

Even with careful installation, you might encounter problems. Here are the most frequent issues and their solutions.

Power management is turning off the USB port or the driver conflict with Wi-Fi 2.4GHz. Solutions:

Ensure the "Realtek Bluetooth" driver is listed without a yellow exclamation mark. ugreen bluetooth 5.0 usb adapter cm390 driver

A common myth is that Windows 11 "just works" with all Bluetooth 5.0 adapters. While the CM390 will pair devices using the Microsoft driver, you lose the following without the official UGREEN/Realtek driver:

If the UGREEN Bluetooth adapter is not working, try these solutions:

Supports connecting up to 5 devices simultaneously. The driver is included in the kernel

In today's wireless world, not having built-in Bluetooth on a desktop or an older laptop can be a major inconvenience. The

To get your working perfectly, you can download the official software directly from the UGREEN Download Center by searching for its product model number: 80889 . While modern Windows operating systems often recognize the dongle instantly, installing the dedicated Realtek driver package is highly recommended to unlock advanced audio codecs, maximize data speeds, and achieve a stable connection for up to 5 simultaneous wireless devices . 📘 Overview of the UGREEN CM390 Dongle

This guide covers everything you need to know about downloading, installing, and troubleshooting the UGREEN CM390 driver 1. Understanding the UGREEN CM390 Go to product viewer dialog for this item. Driver Requirements Power management is turning off the USB port

With Bluetooth 5.0 technology, this adapter offers a range of up to 20 meters (approximately 65 feet) in an open space and allows you to connect up to five different devices simultaneously without performance degradation. This makes it perfect for connecting a wireless mouse, keyboard, headset, and gamepad all at once.

Windows Driver Signature Enforcement (Windows 7/8, or older Windows 10 builds). Solution: