5. Gently push the nano-SIM card to eject it 1 , and then slide it out of the slot 2 . Install a new nano-SIM
card
3 . Note the orientation of the new card and ensure that it is seated correctly.
6. Reinstall the removable battery.
7. Turn the computer over. Connect the ac power adapter and all cables to the computer.
Replacing the base cover assembly
Before you start, read “Important safety information” on page v and print the following instructions.
Notes:
• Depending on the model, your computer might look slightly different from the illustrations in this topic.
• There might be a risk of short circuits if you remove the base cover assembly in the following situations:
– When your computer has the removable battery installed
– When your computer is connected to ac power
Besides, the computer will not start after you reinstall the base cover assembly. To start the computer,
disconnect the ac power adapter and then reconnect it to the computer.
To replace the base cover assembly, do the following:
1. Disable the built-in battery. See “Disabling the built-in battery” on page 100.
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.
4. Remove the removable battery. See “Replacing the removable battery” on page 100.
Chapter 9. Replacing devices 103
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Weight and Dimensions
