While holding the required button, connect the controller to your PC using the USB-C cable.
Are you dealing with (like stick drift, button delay, or connectivity)? My N-SL switch controller stopped working : r/techsupport n-sl wireless controller firmware update
If the software remains on "Disconnected," your PC lacks the necessary USB drivers, or the cable is faulty. Try a different USB port (preferably a USB 2.0 port on the back of the motherboard) and swap out the USB cable. Controller Will Not Turn On After Update While holding the required button, connect the controller
is acting up—maybe it won’t sync, the buttons are lagging, or it suddenly disconnected after a console update—it likely needs a firmware refresh Try a different USB port (preferably a USB 2
If your controller is acting up, a firmware update is usually the definitive fix. This comprehensive guide will walk you through exactly how to update your N-SL wireless controller firmware using a PC or Android device, troubleshoot common installation errors, and keep your gaming sessions seamless. Why Do You Need to Update Your N-SL Controller Firmware?
The Nintendo Switch Lite has built-in controllers. The process is slightly different because the "controllers" are the console itself.