Nintendo Switch Controller not Working when Attached?

Posted in  nintendo | 2022-03-14

Joy-Con Not Recognized or Not Registering While Attached to ...

Reset the JoyCon by pressing the SYNC Button once. Then press any other button on the controller to power it on again. If the JoyCon is still not recognized by the console, try to detach and reattach the JoyCon to the console a couple times. If at all possible, test another JoyCon with the console.

Why is my Nintendo Switch Controller Acting Up?

A possible solution is to make sure you're running the latest Switch software or to recalibrate your analog sticks to make sure it's not a software issue. Some users have also tried using compressed air or isopropyl alcohol to fix the problem, although success seems to vary greatly.

How do you Fix an Unresponsive Joy-Con?

Hold the Power Button for roughly 3 seconds.
Select Power Options.
Choose either Turn Off or Restart.
If any skins or covers are being used with the problematic JoyCon, remove them temporarily.
Check if the any control sticks or buttons feel sticky or stuck down.

How To FIX JoyCon NOT Detected by Nintendo Switch in ...