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Firstly, let me begin by saying I have followed two guides I've found to fix this issue to no avail.

Pair Bose QuietComfort 35 with Ubuntu over Bluetooth

Ubuntu 20.04 bluetooth not working

I can see my Bose headphones on the device list as a non-LE audio device, however it still fails to pair, saying "Failed to connect: Host is down".

I should also say that this particular computer (desktop) does not connect to these headphones when I am running Windows 10 either, though the headphones pair easily with my Surface Pro 5 without any trouble. I don't know if this is simply a bluetooth driver issue or hardware issue, but it's SUPER annoying that this is the only computer I can't use these headphones with.

I do not have a dual boot setup, so I don't know if that makes a difference. My Ubuntu 20.04 and Windows 10 operating systems are on separate SSDs, and I simply turn off the computer and switch the sata cables from one to another when depending on which I want to use (super technical, I know).

Any help is greatly appreciated, I just want to use my **** headphones!!

NeurotikPsyntist
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1 Answers1

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The QC35's work with my ubuntu 20.04 +- OK

I've not done anything special to my setup

I see two bluetooth headphones (they're called Think White Duke)

  1. LE-Thin White Duke
  2. Thin White Duke

only the Thin White Duke connects

enter image description here

I can't use the microphone and headphones of the QC35 at the same time for some reason - if I select the QC35 microphone, the headphones go to some kind of low-quality mono-output

If I use other microphone (internal laptop one) then the QC35 headphones work OK

In the sound setting I have this :

enter image description here

enter image description here

when I select as microphone the QC35 microphone then the headphones change - still sound - but mono and low quality

Koen
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    I tried this before even attempted the two fixes I listed above. The issue was my bluetooth didn't even list the headphones as an option to connect. Furthermore, I don't have the drop down configuration menu in my sound panel like you do in the picture you provided. – NeurotikPsyntist Jan 04 '21 at 19:14