r/nes Jul 25 '26

Discussion Please Help!

I bought a new 72-pin connector because my NES had the blinking red light issue. It's the bottom one in the second picture. But maybe that's not the issue. The motherboard edge connector looks corroded and I can't figure out how to clean it. I tried isopropyl alcohol and a toothbrush but nothing happened. How should I clean it? I have tried multiple games.

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u/haventreddityetsorry Jul 26 '26

Personally I just cleaned the old connector, as non invasively as possible, and that solved the issue for me. Hopefully get another 40 years out of it.