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Problem:

Beginning with the forced Andrew ID password change earlier this year, some users are experiencing an issue where Windows is keeping an old wireless password cached and thus not authenticating to the CMU-SECURE wireless network.

Solution:

Click the Start Menu and select Settings
Select the Network & Internet settings item
On the left pane, select Wi-Fi
Click Manage Known Networks
In the list, select CMU-SECURE and click Forget (see Other Networks below)
Reboot your machine
Attempt to reconnect to CMU-SECURE using your Andrew ID and new password

In the Manage Known Networks menu, you may see some other CMU networks that you have connected to in the past, such as:

CMU Device
CMU Guest
CMU
Eduroam

These can sometimes auto-connect with a higher priority than CMU-SECURE, which may cause problems. If you do not have a specific reason to use one of these above networks, please remove them and connect to only CMU-SECURE.