Sign up ×
Ask Ubuntu is a question and answer site for Ubuntu users and developers. It's 100% free.

How can I tell if my laptop has a Bluetooth adapter?

share|improve this question
Does it have the hardware, or you need to enable in Ubuntu? – Mitch May 29 '13 at 11:34

7 Answers 7

up vote 17 down vote accepted

Your kernel would have picked it up and loaded a module for it when you started Ubuntu. From the command line, gnome-terminal type this command:

dmesg | grep -i blue

If you get output simliar to the below then your laptop has bluetooth capability.

[    2.933062] usb 1-1.4: Product: Broadcom Bluetooth Device
share|improve this answer
This answer is incomplete, only the first line of the output: [ 2.933062] usb 1-1.4: Product: Broadcom Bluetooth Device signifies an actual device, rest is just bluetooth module components, it is shown even in my desktop with no bluetooth. Please make that clear in the answer. – saji89 May 30 '13 at 5:25
@saji89 fair enough, done. – kingmilo May 30 '13 at 6:09
Thanks man.. :) – saji89 May 30 '13 at 6:25
Good point @landroni - updated. – kingmilo Mar 26 at 5:17
This solution didn't produce correct results in my case. See my answer. – landroni Mar 26 at 21:55

Using lsusb:

sudo lsusb |grep Bluetooth

Should give an output similar to:

Device 005: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)

If there is no bluetooth device, you'll get no output for this command.


share|improve this answer
Do you really need sudo? Here it works without... – landroni Mar 25 at 21:31

on my Asus laptop i have a Bluetooth icon on the top right and

dmesg | grep Blue


[    3.757769] Bluetooth: Core ver 2.16
[    3.757798] Bluetooth: HCI device and connection manager initialized
[    3.757802] Bluetooth: HCI socket layer initialized
[    3.757805] Bluetooth: L2CAP socket layer initialized
[    3.757814] Bluetooth: SCO socket layer initialized
[    3.767297] Bluetooth: Generic Bluetooth USB driver ver 0.6
[    4.332846] Bluetooth: RFCOMM TTY layer initialized
[    4.332853] Bluetooth: RFCOMM socket layer initialized
[    4.332856] Bluetooth: RFCOMM ver 1.11
[    4.340772] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    4.340776] Bluetooth: BNEP filters: protocol multicast

but: sudo lsusb |grep Bluetooth Doesn't return anything.

also check if you have a Hardware network (airplane mode) switch. This can disable bluetooth and make it not visible to Ubuntu

share|improve this answer
The above dmesg output is not indicative of bluetooth devices. It even shows up in my desktop with no bluettoth facility. So the above output bears no use in this particular case. But if it gives something liek [ 2.933062] usb 1-1.4: Product: Broadcom Bluetooth Device at the top as @kingmilo pointed out then it shows that you have device. – saji89 May 30 '13 at 6:36
But I'm puzzled regarding the output in your system. Was your bluetooth device disabled(by hardware switch) when you executed: dmesg | grep Blue and sudo lsusb |grep Bluetooth ? – saji89 May 30 '13 at 6:38
BT was enabled and working when the above output was giving. no HW switch on my laptop (Asus G73) – TiloBunt Aug 2 '14 at 22:20
No blue teeth on my laptop and still dmesg | grep -i bluetooth shows Bluetooth messages, which I think are more related to /etc/init/bluetooth.conf than actual hardware – Serg Mar 30 at 23:43

You laptop may likey have a bluetooth mac address printed on a sticker near the battery on the underneath of your laptop.

share|improve this answer

All of the proposed answers failed to produce a correct result in my case. To detect whether my laptop indeed has a Bluetooth adapter I had to follow these instructions:

sudo apt-get install bluez-utils


sudo /etc/init.d/bluetooth restart

The above to make sure that you have installed all that is needed, and that all was properly initialized. Now:

geek@liv-inspiron:~$ hcitool dev
    hci0    00:11:95:00:1A:CF

Note that your Bluetooth device will have a different ID. I also had to make sure that in Blueman Bluetooth was Turned On.

Before or after both lsusb |grep -i bluetooth and dmesg | grep -i blue do NOT output anything of interest (i.e. empty). Yet, the Bluetooth adapter is physically present and I can send files to another device...

share|improve this answer

There is an easier solution.

  1. Press the Super (Windows) key.
  2. Search "Bluetooth".
  3. This should tell you if you have a Bluetooth adapter. I don't so mine said "No Bluetooth adapters found". I'm not sure what it would say if you have one but it should be obvious.
share|improve this answer

There is no way to find it out precisely. Some bluetooth modules are not supported by linux kernel and may not be detected.

Generally, you would look for bluetooth modules in lsusb and lspci outputs. But even if a module is supported, there may be output, which does not contain "bluetooth".

For instance, I have a working Atheros AR3012 bluetooth module.

lsusb shows it as 13d3:3408 IMC Networks.

It was not supported initially, I made a kernel patch to get it work. Now this patch is applied to all Ubuntu supported kernels.

If you are sure that you have bluetooth, and it does not work in Ubuntu, report this to launchpad by running in terminal

ubuntu-bug linux

And in addition to information collected by apport add output of sudo cat /sys/kernel/debug/usb/devices terminal command.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.