Wireless Network Conenction Issues - Delete duplicate Wireless Networks on Windows

If you had access to a WiFi network before and you cannot connect to it anymore than check the following. You might be getting "Unable to connect" error, or the connection appears to be fine but you have no access to internet. Or it asks you for a password and the password is accepted but you still cannot access.

A situation like this might occur when you or the owner of the WiFi has changed some settings of the WiFi such as the SSID (WiFi Name) or Password. Or it may be that the owner completely deleted the previous one and recreated with the same name.

When you connect to a wireless network,
the settings and profile of that specific network is saved on your computer so that you won’t have to re-enter your network credentials again, such as the password.  If you had enabled to connect automatically, your computer attempts to connect to the wireless network automatically next time it is in range.

Here are a few things you need to check:

Was the WiFi password changed?
If yes, you need to enter the new password and connect. You will usually get a password prompt if that is so.

Was the SSID (WiFi Name) changed?
If the SSID was changed, then you will see as new WiFi connection available. Connect by entering the credentials.

Check for duplicate WiFi Networks with the same name:
If the WiFi Password or SSID has been changed, you need to check if there are duplicate WiFi networks saved on your computer. As discussed earlier, Windows saves WiFi networks you have conencted to. So there might be duplicates which might be causing conflicts. You need to remove them.

Remove wireless network on Windows 8
Press Start > Type "Network"
Find and click on "Network Connection Settings"

Click on "Manage Known Networks" just below Wi-Fi

If you find duplicate WiFi Network names, click on it and click "Forget".

Suppose you are trying to connect to "Anonymous1" as seen in the screenshot above, do forget for each with the name than attempt to re-connect fresh.

Remove wireless network on Windows 7
  •     Start Network and Sharing Center.
  •     In the Tasks pane, click Manage wireless networks.
  •     Right-click the connection you want to delete, and then click Remove network.
  •     In the Manage Wireless Networks - Warning dialog box, click OK.
  •     The connection is removed from the list of wireless connections that you can view or modify.

How to delete WiFi network profiles from Windows Command Prompt?
  • Start Command Prompt (Start > Type "Run" and enter. Type "cmd" and enter.
  • Type "netsh wlan show profiles" and press enter.
  • It will show all the Wireless Network Profiles saved by your computer.
  • Type "netsh wlan delete profile name ="the profile name" and press enter.

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