Bluetooth refuse to turn on

[dragon528]

Hi everyone! New to here and ubuntu as well. Several days ago, the bluetooth work perfectly fine. But until today, it stopped working.

I have been google around and try numerous method to fix it, but the bluetooth still refuse to enable. Apply the method and reboot, also the same. Bluetooth toggle still stuck at off in the settings.

Can anyone comment on this problem?

My ubuntu 18.04.4 LTS

Edit:

I tried running such command before. Still not avail.

sudo rmmod btusb
sleep 1
sudo modprobe btusb

sudo apt-get install --reinstall bluez

[VMC]

You haven't said what you did.
Go here and follow the link. Find if it helps:
https://computingforgeeks.com/connec...inux-terminal/

[dragon528]

You haven't said what you did.
Go here and follow the link. Find if it helps:
https://computingforgeeks.com/connec...inux-terminal/

Sorry that my question is so vague. The link you provided is also not working. I attached a rfkill image as reference.

[VMC]

Did you follow the link completely? What happens when you execute:

bluetoothctl

[ActionParsnip]

If you restart the Bluetooth service after hibernate, is it OK?
If not, if you unload then reload the Bluetooth kernel module, is it OK?

[dragon528]

The result is not as same as the link. Here is the result.

[dragon528]

I already tried to google around and did a service restart but it still not avail.
I'm not quite sure about Bluetooth kernel module. I'm still new to ubuntu.

[VMC]

Did you install per this line:

sudo apt-get -y install bluetooth bluez bluez-tools rfkill

from the text?

[dragon528]

Did you install per this line:

sudo apt-get -y install bluetooth bluez bluez-tools rfkill

from the text?

Yea, I already completely follow the step. But it still refuse to turn on. I have restart my laptop as well.

From my windows 10, I have no issue with the Bluetooth.

[VMC]

Any errors from this output:

dmesg|grep -i bluetooth

journal might gave more info:

journalctl -b|grep -i bluetooth