I have a bartop where one of the joystick switches wasn't great so I switched it out.i was very careful in not messing anything else up or so I thought. But when I went to test it the player one start button no longer works. I looked at it and it's still connected and it clicks and everything but it doesn't provide any indication it's doing anything. I opened up the mame control adjustments with TAB and that button doesn't do anything (it's tied to joystick button 7).
Any idea why it would stop responding entirely?