Hi R Cream, Can you please add details in the comment box?
What exactly indicates that it's stopped working?
Are there any lights that turn on (if so, include the color of these lights), any audible sounds coming from the wii, do the RCA input(the red, white & yellow ports) to the tv work on other devices(e.g; a DVD player), anything at all displaying on the tv(if so, what), etc.
To rule out defective parts, a good test would be to ask a friend who also owns a wii, to test your console using their cables.
https://www.google.co.za/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0CBsQFjAAahUKEwjCytG2va3IAhXGbxQKHSQmCj8&url=http%3A%2F%2Fen-americas-support.nintendo.com%2Fapp%2Fanswers%2Fdetail%2Fa_id%2F2826%2F~%2Fwii-will-not-turn-on-and-has-no-power-light&usg=AFQjCNGr-__zV7qQrcxyKb-qBcoxcNLV-A&sig2=xwYOIOz0MJee7EfGx-8IPA
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