Change network security

[cclloyd]

I changed my network security from WPA2 TKIP to AES, and now my computer can't get internet. It says security not set up right. How can I remove the network, and have it remove all memory of it? It keeps letting me join it without asking for a password.

 

[satcomer]

Open System Preferences->Network, Advanced button and remove the network from it's Preferred Networks section (make sure you disconnect from the network before doing this so it can hold).

Also go into /YourHardDrive/Applications/Utilities/Keychain Access and delete the entries for your network.

Then after doing all that reconnect (but first check your Network setup and password you set for the network).