Quote (CenturyLink @ 21 Jun 2016 17:03)
Sounds like a dirty cartridge more than the system itself.
It sounds to me like your cartridge is dirty, or possibly corroded. Take a Q-tip and dampen it a little with some rubbing alcohol, then gently sweep the cartridge's board. Be careful, only do it lightly, but make sure to do it thorough enough to actually clean it. Afterwards, use the dry side to wipe off excess alcohol and let it dry for a moment, then try it out. If your game is corrupted, you may have to buy a new one, but I highly doubt that's the case here at all, it sounds like it's just dirty. Hope it works!
I assumed this was more or less what he meant by trying to clean it out, but that's probably a really stupid assumption on my part.