Is It Posssible To Fix A 3Ds R Button That S Unresponsive Occasionaly Nintendo 3Ds

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My sister’s 3DS has a R button that’s unresponsive most of the time.It still works if you press hard enough or sometimes you don’t have to press it very hard it’s very fickle that way.Is there something I can do like readjust the Button with a screw?

Hey mate, It might just be dust/derbies etc under the R button/on etc, the shoulder trigger button switch which to fix, you simply need to open it up and clean the button and where it sits. Thought, it could also be a faulty shoulder trigger button switch, as it seems Nintendo doesn’t exactly put robust ones in. The button looks like this; http://www.ebay.com/itm/3DS-NEW-OEM-R-L-… and is easy to replace if you are confident opening up the 3DS and replacing it. This tear down should help you in the replacement; Nintendo 3DS Right Shoulder Button Replacement Hope it helps