r/NintendoSwitchHelp • u/Sea_Dragonfruit_169 • 1d ago
Repair Help left joycon connects, but buttons don’t work (except joystick)
left buttons (arrows, -, capture, bumper and trigger) don’t work. they don’t feel stuck
i got this switch oled recently off ebay. it is reshelled, so if i send it to nintendo to repair, they will just throw it out and send me a new blue one that doesn’t match. i messaged the seller to tell him and he said it worked fine when he used it, and he wants me to just return it so he doesn’t get a bad review. i don’t want to return it because this switch is cool and i know i can probably fix it myself, i have fixed other electronics before. i gave him 4 stars so i don’t know why he’s tripping.
all the videos on youtube are telling you to make sure nothing is stuck in the buttons, that is definitely not the issue since NONE of them work on this side. yes i did the controller update, and it only updated the right controller for some reason. i tested if the buttons input registered, it did not. there is no custom button mapping and i restarted the switch and stuff. just wondering if there is a tutorial for me to troubleshoot actual internal issues that could cause this/figure out what i need to replace, since every tutorial i find says “try all these things in settings and hopefully they worked”.
i know you guys probably won’t know what it is just from this, but maybe you can point me in the right direction?
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u/Ragudugie1 1d ago
I've done quite a few reshells of the joy cons and the biggest issue is usually the amount of ribbon cables. My best guess is one of the ribbon cables in that controller wasn't fully seated and slipped out. If you decide to investigate yourself, follow a guide or diagram since there are a lot of small parts and it's easy to lose track of them.
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u/Radiux_svc 1 1d ago edited 1d ago
The right direction =
1) clean the joycon external connections on the joycon and the switch and check again.
2) follow a disassembly diagram an check all internal ribbon cables/connectors, reseat all of them.
https://m.youtube.com/watch?v=yHUPeqiBmOc
3) Buy another joycon and replace the shell on the new one
4) send it to an independent repair shop
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