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To disable the built-in battery:
1. Restart your computer. When the logo screen is displayed, immediately press F1 to enter the UEFI BIOS
menu.
2. Select
Config
➙
Power
. The
Power
submenu is displayed.
3. Select
Disable Built-in Battery
and press Enter.
4. 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.
Replace a CRU
Follow the replacement procedure to replace a CRU.
Base cover assembly
Prerequisite
Before you start, read Appendix A “Important safety information” on page 61 and print the following
instructions.
Note:
Do not remove the base cover assembly when your computer is connected to ac power. Otherwise,
there might be a risk of short circuits.
Replacement procedure
1. Disable the built-in battery. See “Disable Fast Startup and the built-in battery” on page 45.
2. Turn off the computer and disconnect the computer from ac power and all connected cables.
3. Close the computer display and turn over the computer.
4. Loosen the screws that secure the base cover assembly
1
and remove the base cover assembly as
shown
2
.
46
P1 Gen 3/X1 Extreme Gen 3 User Guide
Summary of Contents for ThinkPad X1 Extreme Gen 3
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