Step 5.
Clear the Turn on fast startup check box, and then click Save changes.
To disable the built-in battery
Step 1.
Restart your computer. When the logo screen is displayed, immediately press F1 to enter the UEFI
BIOS menu.
Select Config ➙ Power. The Power submenu is displayed.
Step 2.
Step 3.
Select Disable built-in battery and press Enter.
Step 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.
The built-in battery is disabled and the computer turns off automatically.
Wait three to five minutes to let the computer cool.
Notes: If your computer cannot enter the UEFI BIOS menu, you cannot disable the built-in battery. To avoid
short circuit when you replace a part, it is recommended to do the following:
• For the built-in battery connected to the system board with cables: Disconnect the battery cables.
• For the built-in battery connected to the system board with combo connectors: Disconnect the
connectors by removing the battery. For the removal procedure, refer to the built-in battery replacement
instructions in this documentation.
Removing the nano-SIM card and nano-SIM card tray
Note: If the computer you are servicing has a nano-SIM card installed, remove the card with the tray
together.
ThinkPad Pen Pro (for ThinkPad L13 2-in-1 Gen 5 only)
Follow the instructions to replace the ThinkPad Pen Pro.
Removal steps of the ThinkPad Pen Pro:
The ThinkPad Pen Pro is stored in the slot on the bottom side of the computer. To remove the pen from the
slot, slide the tab of the pen a little bit out, and then completely pull out the pen.
Step 1.
Remove the ThinkPad Pen Pro as shown below.
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ThinkPad L13 Gen 5,ThinkPad L13 2-in-1 Gen 5 and ThinkPad S2 Gen 9 Hardware Maintenance Manual