You do not have to remove the internal battery before removing several internal components. However, if you leave the battery installed while removing components, be sure to disconnect the battery cable from the system board to remove power from internal components.
Before disconnecting the battery cable, follow these steps:
1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
2.Disconnect all external devices connected to the computer.
3.Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer.
4.Disconnect the tablet from the keyboard dock (see Releasing the tablet from the keyboard dock on page 32).
5.Remove the display rear cover (see Display rear cover on page 45).
Disconnect the battery cable:
▲Lift the tape on top of the connector (1), and then disconnect the battery cable from the system board connector (2).
46 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts