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4. Locate the SIM card slot inside the battery compartment. Gently push the card to remove it from the
computer.
5. Hold the new card with the metal contact facing upward and going into the slot rst. Then, insert
the card rmly into the slot until you hear a click.
6. Reinstall the battery. See “Replacing the battery” on page 67.
7. Turn the computer over again. Connect the ac power adapter and all cables.
Replacing the keyboard
ThinkPad Edge E431
Before you start, print these instructions.
DANGER
During electrical storms, do not connect the cable to or disconnect it from the telephone outlet
on the wall.
70 User Guide