Introduction

This guide will show you how to replace the speakers on the IBM ThinkPad T42.

If your T42 audio output is distorted or not functioning due to a damaged speaker, you can restore the sound quality by replacing the speaker using this easy-to-follow guide.

Power down the T42 and disconnect from any power supply before you begin.

What you need

Step 1 Bottom cover

IBM ThinkPad T42 Speakers Replacement, Bottom cover: step 1, image 1 of 1

Use a Phillips #0 screwdriver to remove the twenty screws on the underside of the T42.

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Step 2 Rear screws

IBM ThinkPad T42 Speakers Replacement, Rear screws: step 2, image 1 of 1

Remove the four Phillips screws located on either side of the rear of the T42 (there are two on each end.)

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Step 3 Keyboard and Trackpad

IBM ThinkPad T42 Speakers Replacement, Keyboard and Trackpad: step 3, image 1 of 1

Flip the laptop over and open the screen to access the keyboard and trackpad.
The keyboard and trackpad are connected to the motherboard. Before removing the keyboard and trackpad, disconnect both components from the motherboard, as shown in the following step.
The bezel and keyboard will be loose, be careful.

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Step 4

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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Step 5 Lower Bracket

IBM ThinkPad T42 Speakers Replacement, Lower Bracket: step 5, image 1 of 2

IBM ThinkPad T42 Speakers Replacement, Lower Bracket: step 5, image 2 of 2

Grasp the metal bracket to remove it from the device.

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Step 6 Microphone cover

IBM ThinkPad T42 Speakers Replacement, Microphone cover: step 6, image 1 of 1

Remove the rubber cover from the microphone.

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Step 7 Speakers

IBM ThinkPad T42 Speakers Replacement, Speakers: step 7, image 1 of 2

IBM ThinkPad T42 Speakers Replacement, Speakers: step 7, image 2 of 2

Check to ensure the speaker cartridge moves freely before removing the cartridge.
Disconnect the speaker wire from the unit and carefully remove the speaker.

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