Replacing The Sim Card - Lenovo ThinkPad Edge E420 User Manual

4. Reinstall the screws
5. Attach the cover 1
6. Reinstall the battery. For more information about how to reinstall the battery, refer to "Replacing the
battery" on page 77.
7. Turn the computer over again. Connect the ac power adapter and cables to the computer; then turn it on.

Replacing the SIM card

Before you start, print these instructions.
Your computer may require a SIM (Subscriber Identification Module) card to establish a wireless WAN (Wide
Area Network) connections. Depending on the country of delivery, the SIM card may be already installed in
your computer or will be part of the shipping contents that came with your computer.
If you find the SIM cards included in the shipping contents, a dummy card is installed in the SIM card
slot. Then proceed to the following instructions.
If you find the dummy card in the shipping contents, the SIM card is already installed in the SIM card
slot, and no further installation is needed.
1 and 2 .
, pivot it downwards, and then tighten the screws 2 .
.
Chapter 6 Replacing devices
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