There are too many similar complaints on Apple Support’s discussion forum for there not to be some sort of problem. According to the reports, the latest Airs have difficulty maintaining WiFi connections on router networks with which no similar issues have been experienced with other devices.
Another reason to avoid buying early examples of any upgraded computer system. Presumably, the problem will be addressed, perhaps with a firmware update, but it’s something that should have been right from the get-go.
Resolving Wi-Fi Connection Problems in Mac OS X
This OS X Daily article from 2012 notes that sizable numbers of Mac users have encountered long lasting Wi-Fi connection issues, whether its a dropping connection, a refusal to reconnect after waking from sleep, or any other number of oddities pertaining to wireless networking. Often these connection problems can be resolved with renewing a DHCP lease and changing the MTU size, but sometimes things are more stubborn and a wireless connection will continue to drop or throw unusual connection errors when waking from sleep. If you find yourself struggling with persistent wifi problems, try deleting all preference plist files associated with wireless settings in OS X…..
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