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Few dead keys
One of my N900s have a few non-working keys, the Sym/Ctrl, the key beneath it and the Shift key, the T key and the Up and Right arrow key are dead, what could this be? I know it's HW related.
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Re: Few dead keys
screw it open, and see if the 'dome sheet' is ok.
Also: Are you sure you didn't threw it in the washing machine? :p hehe |
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Re: Few dead keys
Do the affected keys click when pressed? If yes, then it might not be the dome sheet but rather corroded contacts under it, possibly even caused by that immersion in the bath. It is easy to assume that the water started seeping in from the edges and the affected keys is as far as it got before you pulled out. The best way to find out is to open the phone and see.
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EDIT: Removed it, cleaned with nail polish remover, didn't help :c |
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Only use clean (medicine or pure) alcohol, e.g. from drug store (pharmacy). And you should have done immediately after that incident. Now corrosion may have fulfilled its destructive irreversible work. So if water comes to device: pull battery immediately, open up device (always), check for water and clean with alcohol (take care of camera module), let it dry (do NOT use hair dryer) upright so water can rinse, maybe put it into closable box with silica gel or rice to let it dry for at least 24h (better 48h) and only after that power on again. |
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a 'warm' and more important a dry place is fine. Hair dryers and/or "hot" radiators will produce too much heat and a lot of moisture. So sometimes a bit less is much more. ;) And the 'bad' result may come up oonly after a few weeks/months. |
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