Parts

No parts required.

Introduction

Disassembly outline

  1. Battery
    • Hard Drive
    • Optical Drive
  2. Memory Cover
    • RAM Memory
  3. Keyboard/Trackpad/Top Cover
    • Mini-PCI Slot
    • Wi-Fi Card
    • Internal Battery
    • Display
  4. Side Bezel
    • Video Card / Fan
      • Processor
  5. Metal Casings
  6. Plastics
    • Motherboard
Image 1/3: Unplug the power cable before removing the battery.
  • 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.

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Image 1/3: Unscrew the screw holding the Hard Drive slot in place.
  • 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.

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Image 1/3: Remove the screw holding the optical drive on the underside of the laptop
  • 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.

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Image 1/2: Unscrew the pictured screwed holding the memory cover in place.
  • 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 -

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Image 1/3: Unscrew the rest of the screws on the underside of the T42.
  • 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 ]

I wouldn't start with a complete removal of all screws. The IBM/Lenovo hardware manual shows which screws to remove to get to what part.

Yishai Sered - Reply

Image 1/3: Flip the laptop over and open the display carefully - the keyboard, palm rest and bezel will be loose.
  • 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.

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Image 1/3: '''Removing Wi-Fi Card'''
  • 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.

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Image 1/3: Unscrew the screw holding the port's bracket down, then remove the bracket.
  • Removing Mini-PCI Port

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

    • Carefully disconnect it from the motherboard.

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Image 1/2: Starting from the bottom right, carefully pry off the bezel. Use a small, flathead screwdriver if necessary.
  • Removing Top Plastic

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

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Image 1/2: To remove the display, unscrew the screws holding it down. Along with the one pictured, there is another one on the top right edge.
  • 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.

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Image 1/3: The bracket will be free to move, so remove it.
  • Removing Lower Bracket

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

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

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Image 1/2: This component is free to move, so disconnect it's connector and pull it out carefully.
  • Removing Speakers

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

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Image 1/2: Unscrew the three shown screws, then unplug its connection with the motherboard.
  • 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.

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Image 1/3: After removal of the fan, you have access to the processor. Locate its locking mechanism.
  • 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.

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Image 1/3: Unscrew three phillips screws as shown.
  • 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.

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Image 1/3: Unscrew the Philips head screws as shown
  • 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.

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Image 1/1: This will be free to move, so pull it out.
  • Removing Plastic

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

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Image 1/3: Unscrew Phillips screws shown in red in the picture.
  • Removing Motherboard

    • Unscrew Phillips screws shown in red in the picture.

    • Unplug the connector (shown in turquoise)

    • Carefully remove the board

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Image 1/3: Now you're left with the motherboard and the bottom casing
  • Congratulations

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

    • This is as far as the teardown goes.

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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.

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One Comment

Excelent, it help me so much.

MarhezCN - Reply

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