The iconic Nintendo NES controller tends to be fairly reliable, because it’s a simple design. It’s much less prone to breaking than, say, the joysticks that came with an Atari 2600. But the controllers can still wear down over the decades. Fortunately it’s easy to give them a tuneup. Here’s how to fix NES controllers yourself, with simple tools and household cleaners.

David Farquhar is a computer security professional, entrepreneur, and author. He has written professionally about computers since 1991, so he was writing about retro computers when they were still new. He has been working in IT professionally since 1994 and has specialized in vulnerability management since 2013. He holds Security+ and CISSP certifications. Today he blogs five times a week, mostly about retro computers and retro gaming covering the time period from 1975 to 2000.










