RTC battery
Description Spare part number
RTC battery 599516-001
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 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 following components:
a. Battery (see
Battery on page 56)
b. Switch cover (see
Switch cover on page 58)
c. Keyboard (see
Keyboard on page 60)
d. Palm rest (see
Palm rest on page 71)
Remove the RTC battery:
1. Disconnect the RTC battery connector from the system board (1).
2. Remove the RTC battery from the system board (2).
Reverse this procedure to install the RTC battery.
Component replacement procedures 75
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