Inside of your adapter , among many other pieces and parts, can be found numerous types of capacitors. Some of these are made using a liquid electrolytic substance. To give a general idea: think of the manner as is used in common 12v (car) batteries. These devices can fail at any time although it is more likely for some to fail sooner/&/or less predictably than others.
The advices above are not opinions ! For your safety, please replace this accessory before attempting to use your wii! I only wanted to attempt to answer the actual question to the best of my ability with this subsequent answer. :)
In summary, your adapter may very well be serviceable , ( depending on variable factors, it also may not be), but unless it can be fully restored to properly function DO NOT CONTINUE TO USE YOUR WII ADAPTER!
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STOP USING IT. IT is melting down the inside. You are going to have a fire. Listen to pierrej RIGHT NOW AND STOP USING IT.
crwdns2934271:0crwdnd2934271:0 oldturkey03 crwdne2934271:0
Power Adapters that over heat, melt and burn-up. We like to keep theses items hid and when no air flow gets to them they burn up.
This is the no 1 problem with electronics today. A fan stops, we use our computer's on ower laps or in our beds. The end result is we have to buy a new one
crwdns2934271:0crwdnd2934271:0 Glen Street crwdne2934271:0