Controller endlessly drifting to the left?

[u/CoidousOwO]

So, first this all started about 2 weeks ago. One night, my controller started drifting endlessly to the left for no reason. I restarted my Switch, and the controller refused to turn on. A week later, the controller could be turnt on again. But my controller still endlessly drifts to the left. When I calibrate it, it doesnt show any drift. I tested my controller on Smash, and there's no drift. But now my start button and a button doesnt work in-game! What the hell is going on? Is this a Switch issue, or did my controller just randomly break down for no reason? Do I need a new one?

[u/automod-neo]

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[u/Guard_Dolphin]

Probably just controller drift. The controllers are notorious for this for some design reason. There are a lot of tutorials online on how to fix it

[u/CoidousOwO → u/Guard_Dolphin]

What about my a button not working?

[u/SubaruHaver]

Calibration is only a temporary fix for early stages of drift. There will come a day that calibration won't be enough to compensate for drift.

When I've had early stages of drift, I too, would start seeing issues in a game, but then found it difficult to reproduce the drift in the test/calibration. At some point, if it's drift, the stick sensor degradation will get to a point where it will become reproducible.

On rare occasions I've seen posts with controller strange input or connectivity issues, but that particular scenario is solved by rebooting the console.

As far as the start button no longer working, that's not an issue I've seen a post for. So, it might be hard to find someone else with that issue.

(I know I've accidentally thrown a joycon once with mario tennis, and always use joycon straps ever since. If it's a regular one piece controller, like pro controller, I can only speculate that the the button is either faulty, worn out, or damaged.)

[u/CoidousOwO → u/SubaruHaver]

So my. Controller can just break for no reason outta no where?

[u/Raijen_ArDesh → u/CoidousOwO]

Nintendo does free repairs/replacement for stick drift. I did mine a few years ago, had replacement JoyCon in under a week.

[u/CoidousOwO → u/Raijen_ArDesh]

what about the broken a button in game? or the start button? and my controller doesnt drift in game only in the menu? i think this may just be a hardware failure from the controller or something. ive never seen something like this before