Before replacing any CRU, ensure that you disable Fast Startup first and then disable the built-in battery.
Go to Control Panel and view by Large icons or Small icons.
Click Power Options, and then click Choose what the power buttons do on the left pane.
Click Change settings that are currently unavailable at the top.
If prompted by User Account Control (UAC), click Yes.
Clear the Turn on fast startup check box, and then click Save changes.
Restart your computer. When the logo screen is displayed, immediately press F1 to enter the UEFI BIOS menu.
Select Power submenu is displayed.
. TheSelect Disable Built-in Battery and press Enter.
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.