Use Your iPhone as a Personal Wi-Fi Hotspot for Your Mac or iPad

You’re on a trip, accompanied by your trusty iPhone and MacBook Air. Suddenly there’s an emergency at work, and you need to get online with your Mac. You can pick up a cell signal with the iPhone, but there’s no Wi-Fi to be found—what to do? Never fear, since you can...

Get More Info from the Wi-Fi Menu

By default, the Wi-Fi menu on your Mac’s menu bar provides a list of available Wi-Fi networks and a few other commands. Useful stuff, but for the real scoop on what’s going on behind the scenes, Option-click the Wi-Fi menu. In addition to several commands to run...