I am really sorry you are having so many problems getting your Wii console connected your your wireless router, but perhaps the best thing to do is give a call to Nintendo's 1-800-255-3700 (6 am ~ 7 pm Pacific, everyday) Customer Service number, and the service representative will determine exactly what the problem is, and talk you through any needed steps till your console is connected.Image may be NSFW.
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And if it does turn out that your Wii console may unfortunately need some sort of repair, they can discuss repair options with you.
