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A couple of months ago, I migrated the data from my Air to a new MacBook Pro with migration assistant and shelved the Air.

Recently, we recomishioned the Air for family surfing but noticed that when the Air connected to the Internet through Wi-Fi, the Pro wouldn't connect and vice versa.

In both cases the machine that won't connect says that the Wi-Fi connection is functioning properly. Ive followed all of the standard wi-Fi troubleshooting tips on both machines to no avail.

Both machines have current updates. We also have 4 iPads and 2 phones that can connect with out issue.

Any ideas on how to get both machines connected simultaneously?

Thanks!

  • Does either of your Mac's have a static IP? Go to System Preferences --> Network --> Wifi -> Advanced --> TCP/IP. Look to see if they are set to Manual and the IP addresses are the same. If they are on DHCP, again check if they are the same. – tyelford Apr 22 '16 at 3:34
  • No, neither are static. – Chris Apr 23 '16 at 15:29
  • Check for the same IP even if its on DHCP. Also check if the hostnames are the same. – tyelford Apr 23 '16 at 22:45

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