Introduction

Replacing the fan.

Parts

No parts required.

Unscrew the 20 Phillips screws on the underside of the T42.
  • Unscrew the 20 Phillips screws on the underside of the T42.

    • For ease of reassembly, keep your screws organized.

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Unscrew the 2 Phillips screws on both sides of the T42's rear.
  • Unscrew the 2 Phillips screws on both sides of the T42's rear.

leave these four screws alone. No need to remove them.

fredwb - Reply

Of course you need to remove them you Dingbat! They are the main anchors of the screen hinges, Doh!

wbcam -

There are tiny numbers showing the lengths of the screws. 1-2-3-4 where 1 is the shortest.

The dark red circles are not very easy to see. How about white ones?

mattikaki - Reply

  • Flip the laptop over and open the screen.

    • The bezel and keyboard will be loose, be careful.

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  • Carefully maneuver the palm rest away from the keyboard, as both the keyboard and palm rest/trackpad will come off together.

    • Remember, both the keyboard and trackpad have connectors to the motherboard. Disconnect these before completely removing either component.

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  • Starting from the bottom right, carefully remove off the bezel. Use a spudger or flat head screwdriver if needed.

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  • The metal bracket will now be free to move, grasp it and remove it from the device.

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  • Remove the small rubber piece that is covering the T42's microphone,

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  • Unscrew the 3 screws on the copper heatsink.

  • Now, unplug the connection to the motherboard..

    • Due to the nature of old thermal paste, it might take some force to remove the heatsink.

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Conclusion

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

7 other people completed this guide.

Kevin Rehm

Member since: 04/19/2010

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4 Guides authored

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Cal Poly, Team 29-76, Johann Spring 2010 Member of Cal Poly, Team 29-76, Johann Spring 2010

CPSU-JOHANN-S10S29G76

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30 Guides authored

One Comment

How about you just down the freely available Hardware Maintenance Manual (HMM) for the laptop. They are downloadable in PDF format, and very well done.

Martin Campbell - Reply

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