One of the benefits of Apple products is that the company has gone to great lengths to make the underlying technology invisible, to the extent possible. Think about Internet connectivity. Remember the lengthy screech and squeal of a modem handshaking with your ISP? Today, thanks to wireless networking (and broadband Internet connections), you can open your MacBook Air and be browsing the Web within moments.
At least, you can when Wi-Fi is working properly. As a consultant, I occasionally come across a Mac that insists that you choose the Wi-Fi network from the menu bar icon every time. Or perhaps the Mac drops the Wi-Fi connection, or won’t connect at all. Here are a few troubleshooting steps that should fix it. (Note that I’m talking just about the wireless network connection here, not Internet connectivity, since that’s another whole ball of wax.)