In the eighties I bought a C64 for the price of a beer from a guy who said it was a total loss - there had been smoke coming out of it! Turned out it was just a

In the eighties I bought a C64 for the price of a beer from a guy who said it was a total loss - there had been smoke coming out of it! Turned out it was just a blown fuse. The same thing happened again a few years back with a pinball machine, which also worked fine once I replaced the fuse. So check for fuses :)