I bougth a second hand nintendo switch with a (supposedly) faulty controler uppon closer inspection the problem looked to be with the nintendo itself. The joycon rail had its cable ripped off.
But even tho i changed the rail to a new one the controller charges but does not connect (the blue on) making me stuck in the startup.
Cab anyone help my ty.
Couldnt upload images so i made a link if it helps ttps://photos.app.goo.gl/JtQwqF3nsND9NcH89