Oh where oh where is my bluetooth adapter?

[fixit7]

UM does not see my bluetooth adaptor.

[ricmarques]

Hi, @fixit7

I don't know if you remember but, 2 weeks ago (on 15th February 2025), you were having issues with Bluetooth supposedly causing your computer to suspend and, back then, you were convinced you weren't using Bluetooth anymore:

Bluetooth error causing computer to suspend

Thanks for the detailed response . I do not think I am using Bluetooth anymore. I bought a Bluetooth dongle for use with my Amazon Echo which I no longer use. And I use a direct cable from my cell phone to my computer. I am going to do an "experiment." Shut down my computer and remove the Bluetooth dongle and then see what happens.

Based on that, I gave you the suggestion (in that same topic and on that same day - 15th February 2025) to disable the Bluetooth service:

Bluetooth error causing computer to suspend

Hi, @fixit7 You wrote: To supplement @Alarik 's great response / reply - and considering that you believe that you don't use Bluetooth anymore - you can stop the "bluetooth" service and disable the automatic start of that service at boot, by running the following command: sudo systemctl disable --now bluetooth I hope this helps

To which you replied the following:

Bluetooth error causing computer to suspend

It worked perfect.

So, it seems that you need now Bluetooth (again). The following error message that you are getting is consistent with the Bluetooth service being stopped:

[ blueman-manager ]

Connection to BlueZ failed

Bluez daemon is not running, blueman-manager cannot continue. This probably means that there were no bluetooth adapters detected or Bluetooth daemon was not started.

[ Close button ]

So, given these circumstances, I suggest that you (@fixit7) start and enable again the "bluetooth" service with the following command:

sudo systemctl enable --now bluetooth

I hope this helps

[fixit7]

You may not remember, but I do have memory problems.

It is not necessary to go over old ground.

I see that you are a "perfectionist."

I am too.

The dongle is not being found.

[ricmarques]

Hi again, @fixit7

Great! So, by having started the "bluetooth" service, it seems that now you are seeing 3 Bluetooth connected devices in the "Bluetooth Devices" window (a smartphone, a headset and headphones).

I must say that I don't use Bluetooth but, given that the device / adapter that you've shown in the photo of your first post in this topic is an (ASUS) USB Dongle, I suppose that it will appear in the output of the following command:

lsusb

[fixit7]

Here you go. It is neat that it shows my Samsung phone too.

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 045e:076d Microsoft Corp. LifeCam HD-5000
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 002: ID 04b3:3025 IBM Corp. NetVista Full Width Keyboard
Bus 004 Device 003: ID 1c4f:0034 SiGma Micro XM102K Optical Wheel Mouse
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 003: ID 0b05:17cb ASUSTek Computer, Inc. Broadcom BCM20702A0 Bluetooth
Bus 006 Device 004: ID 04e8:6863 Samsung Electronics Co., Ltd Galaxy series, misc. (tethering mode)

[ricmarques]

Hi again, @fixit7

Perfect! Indeed, the following line from that "lsusb" output almost certainly is your ASUS Bluetooth USB Dongle / Adapter:

Bus 006 Device 003: ID 0b05:17cb ASUSTek Computer, Inc. Broadcom BCM20702A0 Bluetooth

... and, as you mention, it's nice that your Samsung Galaxy smartphone, in "USB tethering" mode, also appears in that "lsusb" output:

Bus 006 Device 004: ID 04e8:6863 Samsung Electronics Co., Ltd Galaxy series, misc. (tethering mode)

[fixit7]

It really is not a big deal if I get the bluetooth working.

I use USB tethering to get pretty good download speeds.

35 Mbps for today's speed.