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I have problems pairing my Bose NC 700 headphones on Ubuntu 18.04 LTS via bluetooth. Every time I turn them on, they continue to connect and disconnect and don't work. I need to go to the bluetooth configurations and click on "remove device", then pair them again. Then they will work until I turn off the laptop or don't use them for some time.

Sometimes, using "systemctl restart bluetooth" helps. Is there a way to fix that permanently?

Eddisch
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Noldig
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  • There is no such Ubuntu version as 18. What is the actual version? – David Jan 23 '22 at 05:53
  • thanks, I edited my question – Noldig Jan 24 '22 at 15:59
  • @David besides your very useful critique, do you actually have any idea about a fix? – Marius Apr 28 '22 at 09:07
  • Maybe to [this](https://askubuntu.com/q/1349083/349837)? Could you try it on a newer version? Could be a live distro. Always after the same amount of time? Could be related to [autosuspend](https://askubuntu.com/questions/772056/keyboard-stops-working-ubuntu-16-04/813298#813298): `sudo sh -c "echo -1 > /sys/module/usbcore/parameters/autosuspend"`. Did you check what happen on `journalctrl -xe`? Do you have `pulseaudio-module-bluetooth` apt package installed? – Pablo Bianchi May 03 '22 at 05:56

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You might have interference between WiFi and Bluetooth (which most often affects WiFi). Please try a few things and report what you find/output info in the question.

  1. Disabling WiFi. If this solves your problem, then depending on the adapters you have, a suitable configuration is possible.

  2. Connecting with another bluetooth headset

  3. Output of commands

    $ uname -a
$ inxi -F
$ systemctl status bluetooth.service
$ bluetoothctl list
$ bluetoothctl show
$ bluetoothctl devices
$ bluetoothctl paired-devices
sancho.s ReinstateMonicaCellio
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  • 1) Disabling the WiFi does not solve the issue – Noldig May 11 '22 at 02:28
  • 3) there are some errors in status bluetooth.service . I collected the output of the commands here: https://docs.google.com/document/d/1yOTrFNLC-aAcCx8L5cqN0gDNnRIuIkKxYIwXtFUUdoM/edit?usp=sharing – Noldig May 11 '22 at 02:34