Common Faults With a Mac G4
- Early towers had slow processing speed issues at 450 MHz or less. Rechargeable Internal PRAM (Parameter Random Access Memory) batteries need to be recharged often. The resident search indexing system known as "Spotlight" had problems in its relationship with the operating system, causing the computer to "freeze up." Switching Spotlight off usually solved the problem. The tower's cooling fan became noisy within a year's use.
- The initial release of iBooks contained a faulty design in their motherboard, creating slow start-up. The Titanium PowerBook display screen hinge broke easily under normal use. Apple recalled batteries on the G4 PowerBooks because they were slow to charge, caused battery fires and in some cases, even exploded. The PowerBooks also had defective memory slots, requiring replacement of the logic board.
- The CD/DVD drive on the G-4 iMac was defective. It would stick and not allow users to insert or eject CD or DVDs.
Upgrading the operating system from the "Classic" 9.2 to Jaguar 10.3 without first running a proper firmware upgrade would cause logic board shorting on the iMac. - These Mini Cubes proved too susceptible to damage by bumping. They were also considered noisy.