Before Servicing The Computer; Disabling The Built-In Battery; Removing The Micro-Sim-Card Tray - Lenovo ThinkPad X260 Hardware Maintenance Manual

Before servicing the computer

Carefully read this topic before servicing the computer.

Disabling the built-in battery

Before replacing any FRU, ensure that you have disabled the built-in battery by doing the following:
1. Turn off the computer and disconnect the ac power adapter and all cables from the computer.
2. Turn on the computer. When the logo screen is displayed, press F1 continuously to enter the ThinkPad
Setup program.
3. Select Config ➙ Power. The Power submenu is displayed.
4. Select Disable built-in battery.
5. Click Yes in the Setup Warning window, and then the computer turns off automatically. Wait three to
five minutes to let the computer cool.
The battery will be automatically enabled when the ac power adapter is reconnected to the computer.

Removing the micro-SIM-card tray

Before you start the servicing, remove installed micro-SIM card (or dummy micro-SIM card) and the
micro-SIM-card tray from the computer.
After you finish the servicing, ensure that you install the micro-SIM-card tray with the micro-SIM card
back into the computer.
60
ThinkPad X260 Hardware Maintenance Manual
2
1