You Have Trouble Accessing a Wireless Network
Wireless networking adds a whole new set of potential snags to your troubleshooting chores because of problems such as interference and device ranges. Here’s a list of a few troubleshooting items that you should check to solve any wireless connectivity problems you’re having with MacBook Air:
Make sure Wi-Fi is on. If you see the Wi-Fi status icon in the menu bar, click it. If you see Wi-Fi: Off, click Turn Wi-Fi On. If you don’t see the Wi-Fi status icon, open System Preferences, click Network, and then click Wi-Fi. If the Status value is Off, click Turn Wi-Fi On.
Toggle Wi-Fi off and on. If Wi-Fi has gone a bit haywire, resetting it sometimes helps. Click the Wi-Fi status icon in the menu bar and click Turn Wi-Fi Off. Click the Wi-Fi status icon again, and then click Turn Wi-Fi On. Alternatively, open System Preferences, click Network, click Wi-Fi, and then click Turn Wi-Fi On.
Reestablish the connection. If Wi-Fi is on, check the Wi-Fi status icon. If you see gray bars instead of black bars, it means that MacBook Air isn’t currently connected to any network. Click the Wi-Fi icon and then click the network you want to use. If you don’t ...
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