Lenovo ThinkPad T450, User Manual

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3. Slide the latches 1 and 2 to the unlocked position and hold them there, and then remove the battery
pack 3 .
4. Insert a new battery until it clicks into place. Ensure that the latches are in the locked positions.
5. Turn the computer cover again. Connect the ac power adapter and all cables to the computer.
Installing or replacing the micro SIM card
Before you start, print these instructions. Read the Important safety information first, see “Important safety
information” on page vi.
Micro 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 micro SIM card to
establish wireless WAN connections. Some computer models might be shipped with a micro SIM card,
either installed in the computer or as part of the shipping contents. If your computer does not come with a
micro SIM card, you can purchase one from the local service provider.
To install or replace the micro SIM card, do the following:
1. Disable the built-in battery. See “Disabling the built-in battery” on page 109.
Chapter 9
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Replacing devices
111