Lenovo ThinkPad X1 Carbon 20KG User Manual page 117

5. Install a new base cover assembly in place 1 . Press the left and right sides of the base cover assembly
2 3
as shown , and then tighten the screws in ascending alphabetical order (a to e) as illustrated .
6. Turn the computer over. Connect the ac power adapter and all cables to the computer.
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Chapter 9 Replacing devices