I would also NOT blow into your console or on the cartridge. Though it may seem silly small bits of spit and moist get on the metal contacts and can CORRODE the contacts! No fun! This was debunked with SNES games. Actually taking out the SNES cartridges and putting them back in sometimes allows the contacts to have a better fit and then read. Blowing did nothing, it only corroded and hurt the cartridges! Thanks :)