Repairing IBM ThinkPad T41 BIOS Battery

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Student-Created Guide

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This is a step by step guide for replacing/repairing the BIOS battery of an IBM ThinkPad T41 laptop. It will aid you in taking apart your laptop to reach the BIOS battery.

This repair guide will aid you in taking apart your IBM ThinkPad T41 laptop to reach and replace its BIOS battery.

Do not uninstall the battery when is Setting a Supervisor Password!

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Edit Step 1 Keyboard  ¶ 

  • Close the screen and turn the closed laptop over.

  • Remove all 17 screws on the bottom of the computer.

  • The multiple colors (turquoise, red, blue, orange, yellow, and purple) are for organizational purposes, indicating different screws.

  • Your computer may have more if it still has its optical device, HDD, or battery. The yellow markers are the location of at least two extra screws that we don't have.

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Edit Step 2  ¶ 

  • Remove the extra RAM cover, by lifting where the screw was and pulling out.

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Edit Step 3  ¶ 

  • Turn the laptop right side up and open the screen.

  • Lift the keyboard, using a spudger at the seam between the keyboard and trackpad.

  • Careful of the ribbon cable underneath, which may tear if the keyboard is lifted too vigorously.

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Edit Step 4  ¶ 

  • Unplug the keyboard’s ribbon cable, by lifting up the edges of the plug.

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Edit Step 5 Trackpad  ¶ 

  • Close the laptop and turn it over.

  • Remove the five plastic stickers covering the screws on the front edge of the case.

  • In order to reuse the stickers, remove them carefully.

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Edit Step 6  ¶ 

  • Unscrew the five screws that were hidden by the stickers.

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Edit Step 7  ¶ 

  • Turn the computer right side up and open the screen.

  • Lift the trackpad assembly by placing hands on both edges and then pull towards you till it is free of the case.

  • Careful of the ribbon cable underneath, which may tear if trackpad is pulled too vigorously.

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Edit Step 8  ¶ 

  • Unplug the trackpad’s ribbon cable by pulling on the white plastic tab.

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Edit Step 9 RAM  ¶ 

  • Push apart the retaining clips on the RAM.

  • Note: The RAM should pop up a little bit.

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Edit Step 10  ¶ 

  • Lift out the RAM chip.

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Edit Step 11 Wireless Network Card  ¶ 

  • Pull off the one black and one white coaxial cables by lifting the tabs labeled main and aux (for auxiliary).

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Edit Step 12  ¶ 

  • Push apart the retain clips.

  • Note: The card should pop up a little bit.

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Edit Step 13  ¶ 

  • Pull the wireless network card out.

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Edit Step 14 BIOS Battery  ¶ 

  • Lift the yellow plastic-covered battery up.

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Edit Step 15  ¶ 

  • Unplug the battery connector.

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

For more information, check out the IBM ThinkPad T41 device page.

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Comments Comments are onturn off

You will need to buy the dc jack that has the the wire harness on it, the wires in the computer are soldered to the jack so if you try to use them will result in a smaller wire to work with and you will not beable to connect the ribbon from the monitor to the MB

Shawn Fontaine, · Reply

It is absolutely unnecessary to remove all of the screws as shown in the first image, in fact it would be counter productive to do so. One need only remove the screws that have a symbol of either the keyboard, the palm rest or both. The screw locations also have numeral indicators adjacent to them showing the specific size screw for that location.

For easy battery replacement follow these video guides:


James Maugham, · Reply

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