Lenovo ThinkPad S540 User Manual page 88

1. Disable the built-in battery. See "Disabling the built-in battery" on page 69.
2. Close the computer display, and turn the computer over.
3. Remove the six screws
cover assembly 3 .
Note: Follow the corresponding direction as shown in the following illustration to remove each screw.
4. Install the new base cover assembly
screws 3 .
Note: Follow the corresponding direction as shown in the following illustration to install each screw.
5. Turn the computer over again. Connect the ac power adapter and all cables.
72
User Guide
1 , then loosen the remaining three screws
1 , then tighten the three screws
2 , and then remove the base
2 , and then install the six