Turning on Bluetooth on Mac when you are in use and turn it off when there is no need is quite a reasonable thing. However we may face problems in taking these actions and has no way to make it. This passage will show you how to turn on Bluetooth on Mac and how to turn off it. What to do when you are unable to turn Bluetooth on and off. How to fix “Bluetooth not available” on Mac.

How to turn on Bluetooth on Mac
When you accidentally turn off the Bluetooth on your Mac, your wireless mouse or keyboard may become dead, and you may at a loss to find out where you can get your mouse and keyboard connected. There are 2 ways to turn on Bluetooth on your Mac:
1 Turn on Bluetooth using the status menu
Click the Bluetooth status icon in the menu bar (or someone called status bar) and choose Turn Bluetooth On. If the Bluetooth status menu isn’t visible, choose Apple menu, then System Preferences, click Bluetooth, then select “Show Bluetooth in menu bar.”
2 Turn on Bluetooth using the keyboard
Press control and F2 to highlight the in the upper left corner
press return
down arrow to System Preferences
press return
Press control and F2 and right arrow to View
press return
down arrow to Bluetooth
press return
Press control and F5 to move focus to the window
tab until you are over Turn Bluetooth On button (blue halo around button)
press the spacebar
How to turn off Bluetooth on Mac
Bluetooth function should be turned off in places where radio communication is prohibited, such as airplane or a hospital. 3 ways may help you turn off Bluetooth on your Mac:
1 Turn off Bluetooth using the status menu
Click the Bluetooth status icon in the menu bar (or someone called it status bar) and choose Turn Bluetooth Off. If the Bluetooth status menu isn’t visible, choose Apple menu, then System Preferences, click Bluetooth, then select “Show Bluetooth in menu bar.”
2 Turn off Bluetooth in Bluetooth preferences
If you’re using an external USB Bluetooth adapter, Turn Bluetooth On or Turn Bluetooth Off may not appear in Bluetooth preferences. If it doesn’t, unplug the adapter to turn off Bluetooth.
3 Turn off Bluetooth with only keyboard actions
Finder will be used in these actions. Go into the Finder, type command+shift+u and open Script Editor by selecting it and typing command+o. In a new script, type
tell application “System Events”
click button “Turn Bluetooth Off” of windows 1 of application process “System Preferences”
end tell
and then type command+r to run the script. The Bluetooth should now be turned off.