Hi all, and here I share a few tips on how to clean/repair Nintendo ds/3ds cartridges that are not working but you know the console is working. This is usually caused by dirt/debris and sometimes rust on the cartridge contacts.

1 try cleaning contacts with ipa alcohol and a cotton wool bud/q tip.

2 if 1 doesn't work try the above with an old toothbrush with ipa alcohol as more abrasion sometimes will shift it.

3 if 2 doesn't work then try again with toothbrush and white vinegar and then with ipa alcohol.

4 if 3 doesn't work then try again with white vinegar but use a bladed instrument or metal pick and scrape gently along contacts away from the cartridge then use toothbrush with vinegar and then finally ipa alcohol.

Hopefully these little tips will get your games working once again.

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