If you're a retro games freak holding old game cartridges and a functional vintage console, you probably have a few games that don't load up reliably. Before you waste your time blowing on them -- the traditional way of 'cleaning' dust from cartridges -- there are other steps to consider. Ars Technica put together a great guide to get them working as good as new.
You can watch the video above for the full process.Essentally you'll need to open the cartridge with the proper screwdriver, then use brass polish and rubbing alcohol to clean the contacts on the printed circuit board (PCB). This process should work for everything from the oldest console games up to N64 classics.
If a cartridge really can't be saved, there are still ways to put it to good use.