Extract the downloaded ZIP file, run , and follow the on-screen prompts. Restart your computer once the installation finishes. Option B: Using the Included CD Insert the mini CD into your computer's disc drive.
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 bluetooth 50 usb adapter cm390 driver install
During driver installation, users may encounter issues such as: Extract the downloaded ZIP file, run , and
It is rare, but you may have a defective unit. UGreen has a solid 18-month warranty. Return it, but there is a 99% chance that following the manual registry fixes above will resurrect your dongle. Extract the downloaded ZIP file