Today I bought a cheap usb bluetooth adapter to use it with my bluetooth headphones, and I’ve tried to connect them and use them. When I try to connect them it either says
Unable to connect or asks me for a pin (Which it shouldn’t do) and no matter what I put on the input, it says connected just to get disconnected after 5 minutes, and in these 5 minutes the headphones don’t appear in the sound settings. So it’s either not connecting or I’m missing something 🙁
elementary OS 5.1.4 Hera with
I’ve tried several fixes and I’m truly using this as my last resort
Thanks in advance for any help 🙂
On Elementary OS Hera 5.1.7 (based on 18.04.4) using kernel 5.8.0-39 (necessary for hardware compatibility reasons), I was able to resolve this issue by
Before this, I couldn't connect to bluetooth audio sinks, period, unless I used bluetoothctl. At that point, it would only connect to the duplex low quality sink (HSP/HFP) and not A2DP (high audio quality).
Now it appears to be able to work well enough in either mode, with mode-switching on the fly, however, with consistent errors:
[ 994.225669] Bluetooth: hci0: urb 0000000085e83e50 submission failed (90) [ 994.225675] Bluetooth: hci0: sending frame failed (-90) [ 994.238145] Bluetooth: hci0: SCO packet for unknown connection handle 0 [ 994.238153] Bluetooth: hci0: SCO packet for unknown connection handle 0 [ 994.238155] Bluetooth: hci0: SCO packet for unknown connection handle 0 [ 994.238157] Bluetooth: hci0: SCO packet for unknown connection handle 0
Answered by ethan on December 25, 2021
Hi I had a similar problem. (The Device showing connected but not appearing in the sound settings and then disconnecting(additional problem))
I referred to this answer and the solution
sudo apt-get install blueman worked for me. Figured out that it might help you out.
Note to Mods: This is not an answer but I don't have enough reps to comment, hence you may add it as comment and remove it.
Answered by Mospet on December 25, 2021
It is a possibility the bluetooth adapter just isn't supported in your current kernel. I'd recommend upgrading with the ubuntu HWE, and then making sure the "linux-firmware" package is installed.
Run the following in a terminal:
sudo apt-get install --install-recommends linux-generic-hwe-18.04 xserver-xorg-hwe-18.04 linux-firmware
Then reboot and test if it works.
Answered by user20763 on December 25, 2021
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