Salutations! A while ago we accidentally spilled the beans on the future publication of one of our most user-requested guides, the iBook G4 12″ 1.33 GHz. Well, we finally crossed the i’s, dotted the t’s, and released them to the public.

This iBook G4 12″ 1.33 GHz is nearly identical to the iBook G4 12″ 800 MHz – 1.2 GHz (if you’re wondering which version you have, you can identify your machine by using our ID Your Mac page). However there are some prominent differences that merit a complete set of new guides for the 1.33 GHz machine:

  • The addition or omission of screws can cause confusion during repair.  The top shield is missing a 5.5 mm screw previously located in the upper left corner; four screws instead of two screws are required to secure the hard drive to the framework; the heat sink is fastened by nine screws instead of eight; logic board replacement requires removal of 12 screws instead of 10. Thankfully all of the screws are neatly labeled in our guides, so you don’t have to worry about missing any of the little changes.
  • This model’s Reed Switch board was relocated from the display assembly to the top of the optical drive.  A combination of a magnet in the display assembly and this sensor enables your iBook to automatically go to sleep when the lid is closed and magically wake up when opened.
  • Detaching the display requires removing the optical drive to de-route the AirPort cables.
  • The AirPort/Bluetooth board must be removed to access the heat sink, but the hard drive bracket does not.

Take a gander at the new guides. We’re always open to any suggestions or comments that will help us improve our work.

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