User's Guide

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 ᇆ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 69 and print the following

instructions.

Notes: Do not remove the base cover assembly in the following situations. Otherwise, there might be a risk

of short circuits.

• When your computer has the removable battery installed

• When your computer is connected to ac power

Replacement procedure

1. Disable the built-in battery. See “Disable Fast Startup and the built-in battery” on page 53.

2. Turn off the computer and disconnect the computer from ac power and all connected cables.

3. Remove the pen from the pen slot.

4. Close the computer display and turn over the computer.

X13 Yoga Gen 1 User Guide