RTC battery
Description
Spare part number
RTC battery
641200-001
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
Battery on page 60
).
5.
Remove the bottom door (see
Bottom door on page 66
).
Remove the RTC battery:
1.
Position the computer upside-down, with the front toward you.
2.
Remove the battery from the slot as far as the attached cable will allow
(1)
.
3.
Disconnect the battery cable from the system board
(2)
.
Reverse this procedure to install the RTC battery.
Component replacement procedures
73
