IBM ThinkPad T41 CMOS Battery Replacement
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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.
- Author: Marissa Blustein
- Time estimate: 15 - 20 minutes
- Difficulty: Moderate
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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Close the screen and turn the closed laptop over.
Remove all 17 screws on the bottom of the computer.
The yellow marker at the rear denotes the UltraBay device retaining screw. This screw is optional as the UltraBay mechanism will hold the drive or battery in place anyway. The yellow marker at the front denotes the hard disk caddy retaining screw.
Turn the laptop right side up and open the screen.
Lift the keyboard, using a spudger at the seam between the keyboard and trackpad.
Close the laptop and turn it over.
Remove the five plastic stickers covering the screws on the front edge of the case.
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.
Pull off the one black and one white coaxial cables by lifting the tabs labeled main and aux (for auxiliary).