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Your track pad is one of the most important parts of your PowerBook's user interface. If the track pad is damaged you will need to use an external mouse or replace the track pad. This is one of the hardest parts to get to in the computer. Before attempting, make sure you will be able to keep the removed parts organized to aid in reassembly.

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  1. PowerBook 3400 M3553 Track Pad Replacement, Battery: step 1, image 1 of 1
    • Close the screen and turn the PowerBook over, orienting the computer upside down, using the label to guide you.

  2. PowerBook 3400 M3553 Track Pad Replacement: step 2, image 1 of 2 PowerBook 3400 M3553 Track Pad Replacement: step 2, image 2 of 2
    • Hold the button on the front left side and slide the battery out.

  3. PowerBook 3400 M3553 Track Pad Replacement, Keyboard: step 3, image 1 of 1
    • With a Torx T8 screwdriver, remove the three Torx 24mm screws along the center of the back panel.

  4. PowerBook 3400 M3553 Track Pad Replacement: step 4, image 1 of 3 PowerBook 3400 M3553 Track Pad Replacement: step 4, image 2 of 3 PowerBook 3400 M3553 Track Pad Replacement: step 4, image 3 of 3
    • Turn the computer over and open the display. You should see that the keyboard is loose.

    • Before attempting to remove the keyboard, note that a ribbon cable connects the keyboard to the logic board. Improper removal may damage your keyboard.

    • Slightly lift the front of the keyboard up, and slide the keyboard towards yourself.

    • Carefully lift the top half of the keyboard and pull it towards yourself.

  5. PowerBook 3400 M3553 Track Pad Replacement: step 5, image 1 of 2 PowerBook 3400 M3553 Track Pad Replacement: step 5, image 2 of 2
    • 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.

    • Gently remove the ribbons from its tabs.

  6. PowerBook 3400 M3553 Track Pad Replacement, RAM: step 6, image 1 of 2 PowerBook 3400 M3553 Track Pad Replacement, RAM: step 6, image 2 of 2
    • Gently wiggle the RAM card to loosen the connection until it pulls free.

  7. PowerBook 3400 M3553 Track Pad Replacement, Track Pad Panel: step 7, image 1 of 1
    • Push the display screen back to give yourself enough space to remove the side panels.

    • Before removing the side panels, note that removing the side panels hastily will damage the underlying panel screw. However, this will not affect the functionality of your PowerBook.

    • Remove the panels on either side by gently but firmly pulling up on them with both hands.

  8. PowerBook 3400 M3553 Track Pad Replacement: step 8, image 1 of 2 PowerBook 3400 M3553 Track Pad Replacement: step 8, image 2 of 2
    • Use the plastic opening tool to lift up the tabs on either side of the ribbon cable port and then gently pull the ribbon cable free.

  9. PowerBook 3400 M3553 Track Pad Replacement: step 9, image 1 of 3 PowerBook 3400 M3553 Track Pad Replacement: step 9, image 2 of 3 PowerBook 3400 M3553 Track Pad Replacement: step 9, image 3 of 3
    • WARNING: There is a high risk of breaking the tabs that lock the panel to the casing. Remove the panel slowly and cautiously to avoid damage.

    • With your index finger and your thumb, squeeze the track pad panel to loosen the clamps. Then slide the panel towards yourself.

  10. PowerBook 3400 M3553 Track Pad Replacement, Track Pad: step 10, image 1 of 3 PowerBook 3400 M3553 Track Pad Replacement, Track Pad: step 10, image 2 of 3 PowerBook 3400 M3553 Track Pad Replacement, Track Pad: step 10, image 3 of 3
    • Push the buttons on the side of the ribbon cable port on the track pad to release the ribbon cable. Then gently pull the ribbon cable free.

  11. PowerBook 3400 M3553 Track Pad Replacement: step 11, image 1 of 1
    • Remove two T8 7mm long torx screws from the bottom of the track pad panel.

  12. PowerBook 3400 M3553 Track Pad Replacement: step 12, image 1 of 1
    • Slide the track pad button off of the track pad panel.

  13. PowerBook 3400 M3553 Track Pad Replacement: step 13, image 1 of 1
    • Remove the track pad by gently lifting up.

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To reassemble your device, follow these instructions in reverse order.

Michael Mondragon

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Cal Poly, Team 24-59, Amido Spring 2011 crwdns2886886:0Cal Poly, Team 24-59, Amido Spring 2011crwdne2886886:0

CPSU-AMIDO-S11S24G59

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