Bluetooth devices are not found

I installed zorinOS 18 Core one month ago, and bluetooth worked just fine! However, first one pair of headphones started to not be detected and now both, actually it doesn't detect any device. I've asked ChatGPT for help but after several tries to fix it, it didn't. How can I fix this problem?

Welcome to the Forum!

Did You take a Look in the ''Additional Drivers'' Tab in Software & Updates if there is a Driver offered? Does Your System run in Wayland or X11? You can check that with the Terminal Command echo $XDG_SESSION_TYPE

Are Secure Boot and Fast Boot in BIOS isabled? If Windows is still installed: Is Fast Start-Up in Windows disabled? Could You post the Output of the Commands sudo lshw -C network and rfkill list please?

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Thanks for helping!

This is the output of the commands, although I don't understand them :sweat_smile:

Also, secure boot I think is enabled and windows is still installed.

As long as Secure Boot is still enabled, and Windows is still installed, likely taking control with Fast Startup enabled, you are likely to run into problems.

I recommend you go into Windows, and turn off Fast Startup. Then go into the BIOS, and disable Secure Boot. Now try your sound again in Zorin OS.

I also agree, run your OS in X11 at login instead.


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Like @StarTreker already suggested, I would say too to try it with disabled Secure Boot and Fast Boot in BIOS and disabled Fast Start-Up in Windows.

Switching from Wayland to Xorg is something You could try, too. To do that, go to the Login Screen. Click there on Your Profile so that the Password Field appears. When it is appeared, You should see a Gear Icon in the bottom right Corner. Click on it and choose the Option ''Zorin Desktop on Xorg'' and then log in.

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Thank you! Simply by disabling fast startup in windows it started working. However, I'll also change the other things you mentioned

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INCREDIBLE!!, after some time working just fine I went to Windows as there are certain tasks that I can't do on Zorin (software incompatibility); bluetooth doesn´t work again and I have Secure and Fast boot disabled and running on Xorg.
I don't understand!

Check if fast boot and secure boot in your BIOS are still disabled and also fast startup in Windows is disabled. Updates can reset these settings.
You can also try to go back to kernel 6.14 - kernel 6.17 makes problems on some computers. At grub menu choose "Advanced options for Zorin" and then select an older kernel to boot from and test.

Yes, secure boot and fast startup are disabled (I don't find fast-startup in my BIOS), however, will changing the kernel affect my system or files?
Thank you!

You will find that checkbox in Windows Power settings

yeah, in Windows I have it disabled but the fast boot* that he said was in the BIOS I don't find.
What happens is that bluetooth connects (it appears both in the computer and sounds in the headphones) but then it immediately disconnects.

Its OK, some BIOS don't have it.

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But then, why doesn't bluetooth work??

Did You tried to go back to an older Kernel?

On Zorin OS, install blueman

sudo apt install blueman

Launch it, then select and Forget the paired devices.
Set each device to pairing and authenticate the request on Zorin OS.

Run for a while and test if they are remembered.

The authentication token can be changed by Windows OS, causing this issue.

No, because I don't know if that'll affect my files or behaviour

I have it and connects but keeps disconnectimg

What is your terminal output for

sudo lshw -C network

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Your Files stay like they are. You use the Kernel Version before an Update. Should the updated Kernel be the Cause of the Issue, Your Bluetooth should work again. Shouldn't it be the Case, You can simply go back to the current Kernel.

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