Lenovo THINKPAD P71, User Manual

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5. Select Yes in the Setup Confirmation window. The built-in battery is disabled and the computer turns off
automatically. Wait three to five minutes to let the computer cool.
Replacing the micro SIM card
Before you start, read “Important safety information” on page v and print the following instructions.
Micro SIM card is a small plastic card with an Integrated Circuit (IC) chip mounted on one side of the card.
To replace the micro SIM card, do the following:
1. Insert a straightened paper clip into the hole in the micro-SIM-card tray 1 . The tray ejects. Then,
slide the tray out of the computer 2 .
2. Take the micro SIM card out of the tray 3 .
3. Note the orientation of the new micro SIM card and then install it into the tray 4 .
4. Insert the tray with the new card into the computer 5 .
Replacing the base cover assembly
Before you start, read “Important safety information” on page v and print the following instructions.
To replace the base cover assembly, do the following:
1. Disable the built-in battery. See “Disabling the built-in battery” on page 93.
2. Ensure that the computer is turned off and disconnected from ac power and all cables.
3. Close the computer display and turn the computer over.
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