RTC battery
Description Spare part number
RTC battery (includes cable and double-sided adhesive) 922847-001
Before removing the RTC battery, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the following components:
a. Service door (see Service door on page 30).
b. Battery (see Battery on page 31).
c. Base enclosure (see Base enclosure on page 33).
Remove the RTC battery:
1. Disconnect the RTC battery cable (1) from the system board.
2. Using a plastic tool, detach the RTC battery (2) from the base enclosure and remove it from the
computer. (The RTC battery is attached to the base enclosure with double-sided adhesive.)
Reverse this procedure to install the RTC battery.
48 Chapter 6 Removal and replacement procedures for authorized service provider parts
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