Hover over Debug so that its sub-menu opens up, then click on Remove all devices. This will tell macOS to forget everything it thinks it knows about your connected Bluetooth devices. Now, in the menu bar at the top of your screen, click on the Bluetooth icon again.
This time, you do not need to hold down Shift and Alt. In Bluetooth System Preferences, you should see a list of all the Bluetooth devices you use. They should all be disconnected now.
How to fix a broken wired keyboard
In this list, find your wireless Bluetooth keyboard. Simply click the Connect box beside your keyboard.
Connection should happen quickly and without much interaction, or need to enter a pairing code. If your experience is anything like mine, you will have your special function key functionality back. The top of your keyboard should work again. Home Questions Tags Users Unanswered. Asked 4 years, 1 month ago. Viewed 3k times. As far as I can see, its only the backspace key thats been affected.
Any clues? Have you tried a keyboard that does have a working backspace key? You also might want to type on the key rapidly, as if you were doing a trill on a piano key, to perhaps crush into dust a small crumb or something else that may be causing the key mechanism to malfunction by obstructing the electrical contact.
It might not be something wet that's stopped your keyboard working properly.
How to forward delete on a Macbook
From time to time it's a good idea to clean your keyboard apparently they are more dirty than a toilet seat. Definitely don't submerge it in water though! There is guide to cleaning your keyboard here. If you need to get under the keys - perhaps because certain keys are sticking possibly because you spilt something sticky on the keyboard we have a guide to how to remove the keys on a Mac keyboard here. If the keyboard of your Mac laptop has stopped working the prognosis isn't so good.
You may need to go to the Apple Store or your local Apple centre to enquire about the cost of replacing the keyboard. Alternatively, you could try getting a second hand keyboard and replacing the one on your Mac, but we don't recommend this as MacBook keyboards are fully integrated with the MacBook case and are therefore not easy to change Apple practically goes out of its way to make it impossible.
Really want to break open your Mac? Read How to get into a Mac: which screwdrivers do I need to open up a Mac case?
keyboard - where is backspace key of Mac? - Super User
This step applies if your keyboard issues are related to specific characters. Perhaps the keys aren't registering as you expect them too. You'd be surprised how mixed up the keys will be if you usually British keyboard was mapped for. For Example a French keyboard has azerty rather than qwerty across the top left. If you are from the UK and have a US keyboard set up on your Mac you will find some keys are not in the right place.
Speaking of keyboards, we have some articles that help with various keyboard related questions such as Where is the Option key on a Mac , as well as how to right-click on a Mac and How to find End and Home on a Mac keyboard. If you're having problem with just the number keys on your keyboard, you've probably turned on Mouse Keys by mistake.