Go to Device Manager (right click on My Computer, choose Manage and then find Device Manager in the left panel), or right click on Start Menu for Windows 10 and select Device Managerģ. In order to manually update your driver, follow the steps below (the next steps):ġ. Take into consideration that is not recommended to install the driver on Operating Systems other than stated ones. If the driver is already installed on your system, updating (overwrite-installing) may fix various issues, add new functions, or just upgrade to the available version. Running hciconfig -a will confirm whether the system can use the radio or not.The package provides the installation files for Realtek Bluetooth 5.0 Adapter Driver version. If everything is good, Bluetooth will now be operational. Sudo mv rtl8761b_fw /lib/firmware/rtl_bt/rtl8761b_fw.bin Sudo mv rtl8761b_config /lib/firmware/rtl_bt/rtl8761b_config.bin

Move the appropriate files to your /lib/firmware/rtl_bt directory:.

Download the configuration and firmware files from GitHub:.

Open Terminal (if it's not already open).The binary for the RTL8761b is not currently part of the Linux kernel but, according to this Ubuntu Forums post, you can obtain it from a GitHub repository. UPD2: Logs say Bluetooth: hci0: RTL: firmware file rtl_bt/rtl8761b_fw.bin not found UPD: Ubuntu mainline says my kernel is 5.13.0-37, the device is working, because it has no problem on Windows. What commands outputs else you want me to show here? Adapter is DEXP AT-BT501, chipset is RTL8761B. bluetoothctl -version is bluetoothctl: 5.53įailed to bind channel: Operation not permitted.RX bytes:21 acl:0 sco:0 events:2 errors:0 Can someone please help me and tell what steps exactly I need to follow to be able to make it work?īus 001 Device 004: ID 0bda:8771 Realtek Semiconductor Corp.

I just changed my 4.0 adapter for the new Bluetooth 5.0 adapter, but found out it doesn't work on Ubuntu.

Realtek bluetooth 5.0 adapter driver