Although it’s possible your Mac’s Airport card is damaged, it’s more likely that you can solve the problem without replacing it.

Usually WiFi connectivity problems on Mac are technical or software related rather than hardware issues.

Usually, it can be solved without going to such extremes.

A complete reinstall of your Mac’s operating system should be a last resort to fix WiFi problems.

Go to the Apple logo in the top left of your screen and see if there are any updates available via the App Store: You can also make the updating process automatic overnight by activating Always Update the when you’re prompted to update your Mac: To run Software Update in earlier versions of OS X (OS X 10.6-10.9), simply go to the Apple logo in the top left corner of your Mac screen and select Software Update… Running Software Update is still possible if your WiFi is not working via an Ethernet cable connected to your router at home.Īlternatively, if it’s just one WiFi network that doesn’t seem to work for you, you can try updating via another WiFi network that does work. Sometimes WiFi issues are known to Apple and they issue system updates which immediately fix the problem (although sometimes WiFi connection problems on Mac start after a recent system update has been made too).

Make sure that your version macOS is updated.

If you can connect other devices (such as iPhone) to the WiFi network or if your Mac WiFi works with other networks, then the router is probably fine and it’s simply something to do with the configuration or your WiFi settings on your Mac.

Try connecting your Mac to a different WiFi connection before going through the steps below.

This sounds basic but your Mac will frequently attempt to connect to other networks especially if they are open and closer than your desired one.

Make sure you’re connecting to the right WiFi network.

Change the channel your router is transmitting onīefore you start tearing your hair out wondering why WiFi won’t work on your Mac, do the following first: Delete and re-add your WiFi connection preferences

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