How To Fix Apple Bluetooth Keyboard Some Keys Not Working. If you enable the Mouse Keys feature many keys might not respond as you expect. There is no setting or keyboard layout that will render an entire row of keys disabled.
If the behaviour reoccurs than most likely the keyboard is kaput. Checking online doesnt indicate that this is expected with the keyboard paired with a PC and since this is a cluster of keys in the same area I suspect theres a fault andSeveral keys on my wireless keyboard stood working. Works perfect now.
But dont expect salvation.
The Apple Wireless Keyboard was discontinued in October 2015. If youve replaced the batteries and checked the power and the keys still dont work then you should disconnect and reconnect your keyboard to the Mac. Once the menu is showing release the keys. Now the keys work.