If you follow all these steps and Bluetooth is still not working on your Mac, you’ll need to get a hardware repair instead. When these Bluetooth issues crop up, they’re usually the result of software errors on your Mac, which you can fix with the steps we’ve outlined below. Other Bluetooth connection problems on your Mac can include: Usually, these devices are easy to connect to and use, but occasionally your Mac might say that a Bluetooth device is not available. You might use Bluetooth to connect your Mac to a wireless mouse, keyboard, set of headphones, or other accessories.