Ever wish you could disable your keyboard? For example, so you could clean it without making a mess of whatever it is you’re working on? If you’ve got a desktop Mac, the task is as simple as unplugging the keyboard’s USB cable. But if your Mac is stowed away under a desk, unplugging that cable can be a hassle, and if you’re a notebook user, it’s not an option at all. You could shut down your Mac, but many of us are fans of sleep mode—my Macs are turned off only when I’m out of town.