Before Servicing The Computer; Disabling The Built-In Battery; 1010 Bottom Cover - Lenovo ThinkPad S5 2nd Generation Hardware Maintenance Manual

Attention: The system board is sensitive to, and can be damaged by, electrostatic discharge (ESD). Before
touching it, establish personal grounding by touching a ground point with one hand or by using an
electrostatic discharge strap.

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.
For Windows 10, disable Fast Startup before disabling the built-in battery.
To disable Fast Startup for Windows 10, do the following:
1. From the desktop, type Power in the search box on the taskbar, and select Power Options.
2. Click Change what the power buttons do on the left pane.
3. Click Change settings that are currently unavailable at the top.
4. If prompted by User Account Control (UAC), click Yes.
5. Clear the Turn on fast startup check box, and then click Save changes.
To disable the build-in battery, do 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 turns off automatically. Wait three to five
minutes to let the computer cool.

1010 Bottom cover

Removal steps of the bottom cover
Loosen the screws 1 and then remove the large bottom cover
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Hardware Maintenance Manual
2 .