On a PowerMac G4, I added an additional memory chip. Now I couldn't start the machine anymore. The Mac runs for a second or two but before I hear the BOING sound it goes off.
Tried all kind of tricks I know, checked cables, replaced power cable, pressed the button on the motherboard, and ofcourse removed the new memory chip but no luck, the machine starts for a second then goes off shortly. Any ideas of what could be the cause?