Troubleshooting: Mac

Remove Certificates from Mac OS X​

Can't connect to wireless, but you were able to in the past? You may have expired certificates. Follow the steps at Expired Certificate - Mac to get connected again.

Connect Mac OS X​ to Wi-Fi from Scratch

If you have configured your Mac laptop for SecureMustangWireless and still cannot connect, try the following steps:

  1. Open Network Preferences

    Network Prefs

  2. Turn Wi-Fi off

    Wifi Off

  3. Go to Advanced settings


  4. Delete wireless profile by hitting the minus button as shown
    * Also delete all 802.1x profiles in “802.1x” tab

    Delete Old Network Profiles

  5. To delete 802.1x profiles:

    1. Open Keychain Access app in Spotlight or /Applications/Utilities/Keychain


    2. Delete certificates: Delete all entries after searching for “mustang”, “calpoly” and “802
      * Enter computer password when prompted (may bring up multiple prompts)

      Old Certificates

  6. Attempt to login into SecureMustangWireless.
  7. If this does not work in 10.7-10.9:

    1. Open in /Applications/Utilities/
    2. Type in ONE LINE:

      sudo mv /Library/Preferences/SystemConfiguration/ Library/Preferences/SystemConfiguration/   

      NOTE: There is a space between …eapolclient.configuration.plist and Library/Preferences…

    3. Type user’s computer password, restart computer, and try logging in again.


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