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The Nintendo DSi is the third iteration in the Nintendo DS line, and made its debut in Japan in late 2008.

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Power Button not Working?

Hi, I don't know much about electronics, but I need some help. A while back my Nintendo Dsi was accidentally put in the washing machine with my sheets (shocking I know). Once I realized this, I knew it was over. But strangely to this day if I keep it charged for a week or so, it'll turn on on its own and I can play games and stuff. The weird thing is that I can't turn it on or off. Is there anything I can do about it? Thanks

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sounds very much like there is a short inside due to the water damage, in this case you'd have to take it to a repair centre who specialize in board level repairs and water damage repairs, i suspect it'll probably be more cost effective to buy a used one as a replacement, you can pick them up cheap enough these days.

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Hi,

As you know water and electronics and electricity are not a good mix.

The minerals in the water cause corrosion and the water also provides circuit paths for the electricity which were not in the DSi's operating design and could damage the components. The corrosion process starts immediately and will not stop until it has been thoroughly cleaned away.

First remove the battery as soon as possible from the DSi to minimize further damage.''

Then you need to completely dis-assemble the rest of the DSi and clean all the affected parts using Isopropyl Alcohol 90%+ to remove all traces of corrosion and water. Do not use "rubbing alcohol" as in some cases this is only 70% or less and is not as effective. If you do check the label to verify the amount

Here is a link that in general describes the process.

Electronics Water Damage

As always with electronics, especially surface mounted PCBs be gentle when handling and especially when brushing away the corrosion. You do not want to remove any components from the board.

Here is a link to the Ifixit guides on how to repair the DSi, which may be of some help.

DSi Repair

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