No Bluetooth Found - Plug in a dongle to use Bluetooth - Ubuntu 18.04.1 LTS

I have an issue where my bluetooth randomly cuts out, like so:

Screenshot_Of_Settings_Menu

I have read some existing Ask Ubuntu posts on this issue.

I followed this post: Bluetooth randomly cutting out in Ubuntu

and ran sudo apt install -y linux-oem and restarted my computer, but I'm still having the error.

I also looked at this post "No Bluetooth found Plug in a dongle to use Bluetooth"

but the output of rfkill list all was:

0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no

What other fixes are there to this problem?

First, run this command for switching on devices

hcitool dev

After that run this

sudo systemctl restart bluetooth

for checking status of your, Bluetooth run this

systemctl status bluetooth

You can simply try to perform a cold reboot. It worked in my case.

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