RTC battery
Description Spare part number
RTC battery 697917-001
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 32),
5. Remove the optical drive (see Optical drive on page 33).
6. Remove the keyboard/top cover from the base enclosure (see Keyboard/top cover on page 36).
7. Remove the WLAN module (see WLAN module on page 50).
8. Remove the subwoofer (see Subwoofer on page 55).
9. Remove the system board (see System board on page 58).
Remove the RTC battery:
▲
Use a thin, non-conductive tool to remove the RTC battery (1) from the socket on the system board.
Reverse this procedure to install the RTC battery on computer models. When installing the RTC battery, make
sure the “+” sign faces up.
70 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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