8. Turn over the computer. Connect the ac power adapter and all disconnected cables to the computer.
Keyboard
Prerequisite
Before you start, read Appendix A “Important safety information” on page 95 and print the following
instructions.
Replacement procedure
Note:
You might be instructed to slide the keyboard frame forward or backward in some of the following
steps. In this case, ensure that you do not press or hold the keys while sliding the keyboard frame.
Otherwise, the keyboard frame cannot be moved.
1. Disable the built-in battery. See “Disable Fast Startup and the built-in battery” on page 52.
2. Ensure that the computer is turned off and disconnected from ac power and all cables.
3. Close the computer display and turn over the computer. For L590, loosen the screw that secures the
keyboard.
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L490/L590 User Guide
Summary of Contents for ThinkPad L490
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