RTC battery
Description
Spare part number
RTC battery
652650-001
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 48
).
5.
Remove the service access cover (see
Service access cover on page 50
).
Remove the RTC battery:
1.
Position the computer upside-down, with the front toward you.
2.
Disconnect the RTC battery cable
(1)
from the system board.
3.
Gently pull the battery
(2)
from the double-sided tape that secures it to the system board and
remove it from the computer.
Reverse this procedure to install the RTC battery.
Component replacement procedures
53
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