Bluetooth adapter vanised.

[Snowhog]

Welcome to KFN!


AI Overview

To identify your Bluetooth adapter from the command line on Ubuntu 26.04 LTS, use the interactive bluetoothctl utility and type show, or run hardware query commands like lsusb or dmesg in your terminal.

Using Bluetooth-Specific Tools

• bluetoothctl: Type bluetoothctl in your terminal to enter the interactive prompt, then type show to see details of your active controller, MAC address, and manufacturer. Type exit when done.

• btmgmt info: Runs a management-level inquiry via the BlueZ stack to display installed controller indices, addresses, and versions.

Checking Physical Hardware Buses

• lsusb | grep -i bluetooth: Lists connected USB-based Bluetooth adapters along with their vendor and device IDs (such as Intel or Realtek).

• lspci | grep -i bluetooth: Detects internal PCIe or PCI-bus connected wireless/Bluetooth combination cards.

Inspecting Kernel and System Logs

• sudo dmesg | grep -i bluetooth: Searches recent kernel ring-buffer messages for loaded Bluetooth hardware drivers, firmware logs, and initialization step

Copy and paste the output each command in your reply.

[Kelean]

My bluetooth vanished after the last upgrade. I was hoping that it would be fixed after today's upgrade but no.

After that last upgrade it informed me that i needed to reboot. After booting I had no bluetooth adapter. So I am unable to use my bluetooth speakers,
when I go system settings bluetooth. It tells me that there is no bluetooth adpter and need to use an external adapter for bluetooth.

My speakers had been running fine with the exception of having ti reconnect them from time to time.

Operating System: Kubuntu 26.04 LTS
KDE Plasma Version: 6.6.6
KDE Frameworks Version: 6.24.0
Qt Version: 6.10.2
Kernel Version: 7.0.0-30-generic (64-bit)
Graphics Platform: Wayland
Processors: 6 × Intel® Core™ i5-8400 CPU @ 2.80GHz
Memory: 8 GiB of RAM (7.6 GiB usable)
Graphics Processor: Intel® UHD Graphics 630
Manufacturer: LENOVO
Product Name: 90HV0003US
System Version: ideacentre 510A-15ICB

This is my system If you could point me in the right direction I would be most grateful.
thank you kevin