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I'm having a problem connecting to my Bluetooth headset. I can pair it to other systems, so I know it's working, however, on my new laptop on which I recently installed Manjaro i3, it fails.

This is what I'm doing (and the output I see):

bluetoothctl
[bluetooth]# power on
[bluetooth]# agent on
[bluetooth]# default-agent
[bluetooth]# scan on    <-- finds my headset
[bluetooth]# trust <mac>
Changing <mac> trust succeeded
[bluetooth]# pair <mac>
Attempting to pair with <mac>
Failed to pair: org.bluez.Error.AuthenticationTimeout
[bluetooth]# 

I've been going through the internet for the past 4 hours, but I didn't find any solution.

Any help is sincerely appreciated

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I can't comment, so I'll write an answer. Here is a checklist of things you can try:

  • (basic) make sure the headphones are in the 'discoverable/ scanning' state. On mine, I have to hold the button down for 5 seconds.
  • While on bluetoothctl, run show, which will display the controller's (current Bluetooth device) info. See if powered is really on

Debug

  • You can run sudo tail -f /var/log/kern.log to log more information about your system. Maybe you find something useful
  • Also, the command dmesg | grep -i bluetooth will return some
  • Try running rfkill list, you will get something similar to:
0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
1: hci0: Bluetooth
    Soft blocked: yes
    Hard blocked: no

Check if maybe your Bluetooth is not blocked. If Hard blocked: yes, then there might be some buttons combo on your machine to enable the bluetooth ex: Fn+F3. You can just unblock both by running rfkill unblock bluetooth. And maybe check now if it works.

I'm still researching and will edit my answer if I find new info. Currently having issues with my Bluetooth driver. If you already have found a solution, I would love to learn about it.

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    Thank you @DariusP for the answer. I gave up on that headset because I couldn't make it work. The only conclusion that I could think of was that, for some reason, the Bluetooth isn't compatible with my new laptop. I tried sooo many headsets after that and ended up sticking with one, but I'm still missing that one... it was very good
    – Farzad
    Mar 8, 2021 at 4:50

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