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  1. IBM ThinkPad T42 Teardown, IBM ThinkPad T42 Teardown: step 1, image 1 of 3 IBM ThinkPad T42 Teardown, IBM ThinkPad T42 Teardown: step 1, image 2 of 3 IBM ThinkPad T42 Teardown, IBM ThinkPad T42 Teardown: step 1, image 3 of 3
    • Removing the battery

    • Unplug the power cable before removing the battery.

    • Slide the 2 sliders on the under side of the laptop to the unlock position, as shown.

    • Grasp the battery and pull it straight out - not at an angle.

  2. IBM ThinkPad T42 Teardown: step 2, image 1 of 3 IBM ThinkPad T42 Teardown: step 2, image 2 of 3 IBM ThinkPad T42 Teardown: step 2, image 3 of 3
    • Removing the Hard Drive

    • Unscrew the screw holding the Hard Drive slot in place.

    • Pull the hard drive out with the help of pictured ridges. Cautiously maneuver it out - it might help to open the display slightly.

  3. IBM ThinkPad T42 Teardown: step 3, image 1 of 3 IBM ThinkPad T42 Teardown: step 3, image 2 of 3 IBM ThinkPad T42 Teardown: step 3, image 3 of 3
    • Removing the Optical Drive

    • Remove the screw holding the optical drive on the underside of the laptop

    • Push the small slider to unlock position, a tab will automatically pop out.

    • Pull tab to dislodge the optical drive, then pull the drive out.

  4. IBM ThinkPad T42 Teardown: step 4, image 1 of 2 IBM ThinkPad T42 Teardown: step 4, image 2 of 2
    • Removing Memory Cover/Replacing RAM

    • Unscrew the pictured screwed holding the memory cover in place.

    • Pry the cover open carefully (flathead screwdriver might help)

    • To remove the RAM memory stick, push both metal pieces holding it in place outwards, and the stick will pop up. -picture of RAM inside -

    • Pull the stick out carefully. - Picture of the RAM stick -

  5. IBM ThinkPad T42 Teardown: step 5, image 1 of 3 IBM ThinkPad T42 Teardown: step 5, image 2 of 3 IBM ThinkPad T42 Teardown: step 5, image 3 of 3
    • Removing Rear Cover

    • Unscrew the rest of the screws on the underside of the T42.

    • Unscrew the 4 screws on either side the rear end of the laptop.

    • Note: for ease of reassembly, keep track of which screws go where.

    • [ a line-drawing version is included so it can be printed and screws can be taped on ]

  6. IBM ThinkPad T42 Teardown: step 6, image 1 of 3 IBM ThinkPad T42 Teardown: step 6, image 2 of 3 IBM ThinkPad T42 Teardown: step 6, image 3 of 3
    • Removing Keyboard and Trackpad

    • Flip the laptop over and open the display carefully - the keyboard, palm rest and bezel will be loose.

    • Maneuver the palm rest away from the keyboard carefully, both the keyboard and palm rest/trackpad will come off together.

    • **WARNING** Both the keyboard and trackpad have connectors to the motherboard. Disconnect these before completely removing either component.

  7. IBM ThinkPad T42 Teardown: step 7, image 1 of 3 IBM ThinkPad T42 Teardown: step 7, image 2 of 3 IBM ThinkPad T42 Teardown: step 7, image 3 of 3
    • From here you can remove multiple components.

    • Removing Wi-Fi Card

    • To remove Wi-Fi card, first disconnect both display wires on the top right.

    • Then slide both of the metal pieces holding it down outwards, and it will pop up.

    • Carefully pull it out.

  8. IBM ThinkPad T42 Teardown: step 8, image 1 of 3 IBM ThinkPad T42 Teardown: step 8, image 2 of 3 IBM ThinkPad T42 Teardown: step 8, image 3 of 3
    • Removing Mini-PCI Port

    • Unscrew the screw holding the port's bracket down, then remove the bracket.

    • Carefully disconnect it from the motherboard.

  9. IBM ThinkPad T42 Teardown: step 9, image 1 of 2 IBM ThinkPad T42 Teardown: step 9, image 2 of 2
    • Removing Top Plastic

    • Starting from the bottom right, carefully pry off the bezel. Use a small, flathead screwdriver if necessary.

  10. IBM ThinkPad T42 Teardown: step 10, image 1 of 2 IBM ThinkPad T42 Teardown: step 10, image 2 of 2
    • Removing the Display

    • To remove the display, unscrew the screws holding it down. Along with the one pictured, there is another one on the top right edge.

    • Carefully unplug the its connection with the motherboard.

    • Now it will be free to move. Carefully maneuver it out.

  11. IBM ThinkPad T42 Teardown: step 11, image 1 of 3 IBM ThinkPad T42 Teardown: step 11, image 2 of 3 IBM ThinkPad T42 Teardown: step 11, image 3 of 3
    • Removing Lower Bracket

    • The bracket will be free to move, so remove it.

    • Then remove the small rubber piece covering the small battery.

  12. IBM ThinkPad T42 Teardown: step 12, image 1 of 2 IBM ThinkPad T42 Teardown: step 12, image 2 of 2
    • Removing Speakers

    • This component is free to move, so disconnect it's connector and pull it out carefully.

  13. IBM ThinkPad T42 Teardown: step 13, image 1 of 2 IBM ThinkPad T42 Teardown: step 13, image 2 of 2
    • Removing Fan

    • Unscrew the three shown screws, then unplug its connection with the motherboard.

    • **Since both the processor and graphics processor unit are attached to this fan with thermal paste, removing the fan might require some force and a flathead screwdriver to separate the paste from the fan.

  14. IBM ThinkPad T42 Teardown: step 14, image 1 of 3 IBM ThinkPad T42 Teardown: step 14, image 2 of 3 IBM ThinkPad T42 Teardown: step 14, image 3 of 3
    • Removing Processor

    • After removal of the fan, you have access to the processor. Locate its locking mechanism.

    • Use a flat head screwdriver and twist it carefully to the "unlocked" position.

    • Carefully pull the processor out.

    • ***CAUTION - If replacing the processor, make sure the small arrow on the corner aligns with socket.

  15. IBM ThinkPad T42 Teardown: step 15, image 1 of 3 IBM ThinkPad T42 Teardown: step 15, image 2 of 3 IBM ThinkPad T42 Teardown: step 15, image 3 of 3
    • Removing Modem Daughter Card

    • Unscrew three phillips screws as shown.

    • The connector cables are wrapped around components for organization so follow these, unplug them and carefully pull them free.

    • Then remove the bracket that was sitting beneath it.

  16. IBM ThinkPad T42 Teardown: step 16, image 1 of 3 IBM ThinkPad T42 Teardown: step 16, image 2 of 3 IBM ThinkPad T42 Teardown: step 16, image 3 of 3
    • Removing Metal Casing

    • Unscrew the Philips head screws as shown

    • It is attached to the smaller black plastic piece below it - carefully maneuver both of them out at the same time.

  17. IBM ThinkPad T42 Teardown: step 17, image 1 of 1
    • Removing Plastic

    • This will be free to move, so pull it out.

  18. IBM ThinkPad T42 Teardown: step 18, image 1 of 3 IBM ThinkPad T42 Teardown: step 18, image 2 of 3 IBM ThinkPad T42 Teardown: step 18, image 3 of 3
    • Removing Motherboard

    • Unscrew Phillips screws shown in red in the picture.

    • Unplug the connector (shown in turquoise)

    • Carefully remove the board

  19. IBM ThinkPad T42 Teardown: step 19, image 1 of 3 IBM ThinkPad T42 Teardown: step 19, image 2 of 3 IBM ThinkPad T42 Teardown: step 19, image 3 of 3
    • Congratulations

    • Now you're left with the motherboard and the bottom casing

    • This is as far as the teardown goes.

Conclusion

To reassemble your device, follow these instructions in reverse order. Remember when reassembling to apply a thin layer of thermal compound on the CPU block.

System

Member since: 09/24/2009

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