No. The driver remains installed. Just plug it back in. However, on Windows, pairing information is stored per adapter – if you use the dongle on a different USB port, you may need to re-pair devices.
Searching for “UGREEN CM390 driver” on UGREEN’s official website often redirects you to a generic Realtek driver package. This is because UGREEN leverages Realtek’s reference drivers. ugreen bluetooth 5.0 usb adapter cm390 driver
If you are still struggling after following this guide, leave a comment below (or reach out to UGREEN support). More often than not, the fix is as simple as moving the dongle from a USB 3.0 port to a USB 2.0 port or disabling power management. However, on Windows, pairing information is stored per
is a compact dongle that enables wireless connectivity for PCs and laptops lacking built-in Bluetooth. While many modern systems recognize it automatically, manual driver installation is often required for full functionality on older versions of Windows. Driver Installation Guide If you are still struggling after following this