MacOS – Cannot join WIFI, previously no problem

macoswifi

My Macbook runs El Capitan, 11.5. This morning, it failed to connect to my home network – which has been working for years. I'm now getting the

Cannot join wifi network X “please move closer”

message. My other devices still connect. I have tried from this question to connect manually and it chucks the following error:

com.apple.wifi.apple80211API.error error -3905

I have also:

  • deleted my network preferences etc
  • reset PRAM
  • reset SMC
  • changed modem channel

Tethering to my phone still works, but that's not through WIFI. Any suggestions?

Best Answer

I can't comment, as I don't have the rep - but have you checked /var/log/wifi.log when you've tried to connect? It might offer some other clues.

You seem quite comfortable with Terminal, so make it full screen and type networksetup and have a look through the options of that command. There are quite of lot (of options) and examples.

Have you also tried rebooting your home router?

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