Logitech mx master 2s not connecting over bluetooth

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I’ve had this issue for what seems like forever. In fact, I have never been able to pair my mouse to Manjaro. I have tried everything I can think of and everything I have found on google, but nothing has helped. I have tried installing blueman and connecting through that, but it says failed to connect, no matter if I press “pair” or “connect”. When connecting through bluetoothctl in the way that is described in Bluetooth - ArchWiki I get Failed to pair: org.bluez.Error.AuthenticationRejected

On some threads like this, users have said to reinstall pulseaudio, but everything seems to depend on that, so I’m hesitant to tinker with it.

I would be extremely thankful if someone had a solution for this, as I think it is starting to drive me insane. Thanks in advance!

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Weeeeell I’ll be damned. Aftter struggling with this for the better half of a lifetime, I managed to solve it within an hour after posting it here. I had apparently previously changed /etc/bluetooth/Main.conf to include the line ControllerMode = bredr, with no memory of this. When I removed this line and restarted the computer, the mouse started working!

After all of this, I have decided to leave this here, hoping it can help someone else struggling with the same problem in the distant future.

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