Before Servicing The Computer; Disabling The Built-In Battery; 1010 Lenovo Onelink Connector Cover - Lenovo ThinkPad S440 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 your computer and disconnect the ac power adapter and all cables from the computer.
2. Turn on your computer. Press F1 to enter ThinkPad Setup when the ThinkPad logo is displayed.
3. Select Config ➙ Power. The Power submenu is displayed.
4. Select Disable built-in battery.
5. Click Yes in the Setup Warning window, then the computer will turn off automatically. Wait three to
five minutes to let the computer cool.

1010 Lenovo OneLink connector cover

Removal step of the Lenovo OneLink connector cover
Remove the connector cover as shown in the following illustration.
Note: Ensure that you reattach the connector cover to the Lenovo OneLink connector after finishing the
servicing.
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Hardware Maintenance Manual