If your MacBook Air not able to connect Wi-Fi, you need to fix the issue professionally. MacBook Air runs on Mac OS X and there could be multiple things affecting Wi-Fi connectivity issues. You need to start from a right troubleshooting process to diagnosis the actual error and fix the same with right resolution. Here below you can find the rights process how to troubleshoot Wi-Fi connection on MacBook air with complete safety.
Check Status of Wireless Connection
If Wi-Fi is not enabled into your system it will not work or you will not able connect anything wirelessly. If AirPort card is disabled into your MacBook Air, it will prevent your MacBook from connecting Wi-Fi. Turn it on and you can search wireless network available nearby you and if the Wi-Fi connection is protected from password you need to enter the same.
Inappropriate Internet Connection
If a wrong internet connection is established, it will obstruct your wireless network from connecting other devices. Check the wireless connection status to confirm your network is selected correctly instead of other network that is not in range. A weak network connection shows Wi-Fi connectivity with slow signal strength. Apple MacBook support is open round-the-clock to solve wireless connectivity related issues using remote access technology.
MacBook Air and Router Compatibly Issue
If your MacBook Air is very old having outdated Wi-Fi technology Wireless-G AirPort while router is very new compatible with Wireless-N technology, it will be not connected with the software. Though, Apple MacBook air is equipped with network troubleshooting utility software to fix such issues, and if despite all these efforts issue not fixed, and then call to MacBook air tech support for complete diagnosis through experts.
Solve other Issues with Network
It not occurs usually, but sometimes due to wireless connectivity device that is better known as router. If your router is not working properly or there is a technical problem then your MacBook Air will become unsuccessful. To fix the issue, you can turn-on and turnoff your router and this issue can be resolve itself connecting your MacBook Air with other devices wirelessly. If your problem not solved, get MacBook air help at your desk.