Keyboard

Before you begin, remove the battery PCMCIA module. Using a T-8 torx driver, remove the middle two bottom housing screws. Using a small flat-blade screwdriver, lift the front of the keyboard and pull it forward slightly. Rotate the keyboard so that it is perpendicular to the top cover. Release the locking tabs on the two keyboard cable connectors and disconnect the cables from the motherboard.

Pcmcia Module Upgrade

Before you begin, remove the second left battery. Important Before removing the battery or inserting the PCMCIA expansion module into the computer, use the Macintosh Shut Down command. Otherwise, the computer will shut down automatically and all RAM contents will be lost. Note The PCMCIA expansion module is a Macintosh PowerBook 550c option. The module comes with a protec-tive cap and PCMCIA driver software. 1 Note You will feel some resistance when you insert the PCMCIA expansion module into...

Take Apart

Before you begin, disconnect the power adapter. Note This procedure covers removal of the main battery, second battery or PCMCIA expansion module, and battery contact cover. Important Before removing the battery, use the Macintosh Shut Down command. Otherwise, all RAM contents will be lost. Caution The Macintosh PowerBook 550c contains devices that are very susceptible to ESD damage. To prevent damage, wear a grounding wriststrap. Review the ESD precautions in Bulletins Safety. 1 Slide the...

Power Book Screw Matrix

Macbook Screw Matrix

Nine different types of screws are used in the Macintosh PowerBook 550c. All are Torx screws and require either a T-8 or T-6 Torx screwdriver. Note The legend for the screws follows on the next page. Legend for Macintosh PowerBook 550c Screws 2 Hard drive, keyboard, bottom case middle front , display assembly, floppy drive, daughterboard EMI shield top edge , inside edge of top case, right side panel 3 Display bezel, display, clutch, DAA 4 Trackpad cable and actuator, daughterboard EMI shield...