My school has 25 iMacs in a lab for students. They each have a wireless keyboard and mouse.

The problem is that the keyboard or mouse will run out of batteries and the kids will just grab another mouse and use it on the computer. This creates havok in the room and before long i have to manually unpair all devices and map each keyboard and mouse one by one and it takes me over two hours.

Is there a way to only allow the imacs to pair with one keyboard and mouse?

  • Color coding or numbering (stickers) would help. Then kids would see/know which one belongs where (you to). Attach spare battery to the computer, in zip bag, so they can change it them self.
    – Ruskes
    Commented Sep 15, 2014 at 20:31

1 Answer 1


I don't know of a way to make it only pair with a single KB/M/Trackpad, so a workaround it to prevent it pairing with anything further once you have paired what you need.

One method to do this, on the assumption that the users of the computers do not have administrator access:

Step one - turn on parental controls for the users of the systems in System Preferences > Parental Controls:

Parental Controls 1

Then turn on Limit Applications, and scroll down to untick System Preferences under Allowed Apps > Other Apps

Parental Controls 2

Now make sure that the Bluetooth menu bar item isn't shown in System Preferences > Bluetooth:

Bluetooth Controls

Obviously this may prevent legitimate access to other system preference items, but as I cannot find a way to lock down Bluetooth to Admin access only, then the next best thing is to prevent you from getting to the Bluetooth config areas. It may still be possible to manually start the Bluetooth assistant, perhaps someone could comment on that.

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