If your keyboard just isn't doing anything when you type on it, that's a problem. Fortunately, though, it's often a problem that's relatively easy to fix. You might need to turn it off and on again, ...

An icon in the shape of a lightning bolt. Impact Link If you want to kick back on the couch and type on your Mac from across the room, or if you just want to use a new keyboard, it's easy to connect a ...