Replacing The Wireless-Wan Card - Lenovo ThinkPad T570 User Manual

5. Loosen the screws that secure the base cover assembly
the base cover assembly
6. Install the new base cover assembly in place
secured under the base cover assembly. Then tighten the screws to secure the base cover assembly
7. Reinstall the removable battery.
8. Turn the computer over. Connect the ac power adapter and all cables to the computer.

Replacing the wireless-WAN card

Before you start, read "Important safety information" on page v and print the following instructions.
To replace the wireless-WAN card, do the following:
1. Disable the built-in battery. See "Disabling the built-in battery" on page 107.
2. Ensure that the computer is turned off and disconnected from ac power and all cables.
3 .
1 . Ensure that the latches of the base cover assembly are
1 . Then pry up the latches
.
Chapter 9
2 and remove
2 .
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Replacing devices