RTC battery
Description
RTC battery
Before removing the RTC battery, 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.
Remove the battery (see
●
Service door (see
●
WLAN module (see
●
Top cover (see
●
System board (see
To remove the RTC battery:
1.
Position the system board upside down.
2.
Disconnect the battery cable from the system board (1), and then lift the battery up and off the system
board (2).
Reverse this procedure to install the RTC battery.
90
Chapter 4 Removal and replacement procedures
Battery on page
43), and then remove the following components:
Service door on page
49)
WLAN module on page
Top cover/keyboard on page
System board on page
52)
55)
73)
Spare part number
747132-001