PowerBook G3 Lombard Logic Board Replacement
- Author: iRobot
- Difficulty: Difficult
If one of the ports on the back goes bad, you'll have to replace the logic board.
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Release the tabs on each side of the RAM chip at the same time. These tabs lock the chip in place and releasing them will cause the chip to "pop" up.
Pull the RAM chip out.
There are RAM slots on both sides of the processor. We recommend installing higher capacity chips on the bottom so that if you want to upgrade later, you won't have to remove the processor.
Lift the left side of the case partly up so that you can access and disconnect the audio in/out cables from the sound card in the upper right of the case.
Be careful not to lift the upper casing too far before you have disconnected the audio in/out cables or you may damage the sound card.
Remove the single short black Torx screw anchoring the metal framework to the lower casing.
Use a five millimeter nut driver or needle-nose pliers to remove the small metal nut from the bolt in the laptop's back left corner.
If you're using pliers, be extremely careful not to let them slip or you may damage the logic board.
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