User Guide

4. Insert a new battery 1 , and then press it until it clicks into place 2 . Ensure that the battery latch is in the
locked position.
5. Turn the computer over. Connect the ac power adapter and all cables to the computer.
Replacing the nano-SIM card
Before you start, read “Important safety information” on page v and print the following instructions.
A nano-SIM card is a small plastic card with an Integrated Circuit (IC) chip mounted on one side of the card.
If your computer supports wireless-WAN connections, your computer might require a nano-SIM card to
establish wireless-WAN connections. Depending on the model, you might need to purchase a nano-SIM card
or a nano-SIM card might already be installed in your computer. In some countries or regions, a nano-SIM
card is part of the shipping contents that come with your computer.
Attention: When installing or removing the nano-SIM card, do not touch the nano-SIM card metal
connectors.
To replace the nano-SIM card, do the following:
1. Turn off the computer and disconnect it from ac power and all cables.
2. Close the computer display and turn the computer over.
3. Remove the removable battery. See “Replacing the removable battery” on page 100.
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P52 User Guide