hello everybody ! As i say in the title my down button is stuck, i lifted the tape and cleaned carefully with alcohol like someone said in an other topic. But the problem still there :/ you have any idea about what i could do ?
Thanks !
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Sounds like you either have something wedges in there, forcing it down OR the rubber membrane between the button and PCB may have been ruined (one way or another). If you have the time and patience, take it apart and inspect that light gray rubber piece. You may end up finding that the membrane has torn a bit. If it's torn, you'll need a replacement part to keep it in the upwards position.
Just give it a good inspection to ensure no debris is in there and that the rubber part is still intact. If those are fine, look over the portion of the PCB that'll deal with the d-pad area and see if anything looks damaged there. Follow this guide to get you on your way. Nintendo 3DS Motherboard Replacement
Update
After the added comment/answer, I did some digging around to find the sticker/metal portion discussed by the poster. I believe this is the item you're talking about, correct? Image of metal buttons attached to PCB. If that is the case, then you'll want to go to the website AliExpress and search for "3DS Direction Key Button Electrostatic Films Set". It's in there, you may need to do a bit more searching if you don't find the linked image right away.
From what you've said with the added information, it sounds like the metal portion has been destroyed and no longer pushing back up. If that's the case, you'll need to order a new one and replace it that way.
I hope this helps solve your problem!
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The 3ds is completely taken apart, i lifted the tape with the aluminium button under it and cleaned it up so there is nothing in there :/ when i bought this console it had some corrosion on the upper screen connection causes by water and short circuit i guess. Now i replaced the damaged screen and it work ...but d-pad ils still hold down. Dead motherboard ? :/
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Hi Yanndebets, I've updated my answer, please see the updated portion for more information and possible help. Thanks!
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