Open Wii Options, go to Wii Settings, click the right arrow to view the Internet Options and click Internet.

Select Connect Settings, then the Connection Profile which is Active.

Click Change Settings, scroll right to Auto-Obtain DNS (make no changes for Auto-Obtain IP address).

Select NO and open Advanced Settings.

Enter Smart DNS Proxy as provided by Hide My IP, click Confirm and Save.

Click OK and the connection test should start and wait until it's done.

Return to the main screen.

Restart your device.