PowerBook 3400 M3553 RAM Replacement
Last updated on Sep 18, 2016
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Introduction
Go to step 1 ↓In order to upgrade your PowerBook's RAM or replace a faulty RAM card you will need first remove the existing RAM card.
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Close the screen and turn the PowerBook over. Orient the computer so the text of the label is right side up.
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With a T8 torx screwdriver, remove the three 24mm torx screws along the middle of the back panel.
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Turn the computer over and open the display. You should see that the keyboard is loose.
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Carefully lift the front of the keyboard up slightly and then slide the keyboard towards yourself.
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Then carefully lift the top half of the keyboard and rotate it towards yourself.
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Loosen the ribbon cables connecting the keyboard to the computer by using a plastic opening tool to lift the tabs on either side of the cable port.
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Gently remove the ribbons from its tabs
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To install the new RAM card, follow these steps in reverse order.
