System information
RTC battery
Description Spare part number
RTC battery (includes cable and 2-sided tape) 592965-001
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 cord.
4. Remove the battery (see
Battery on page 39).
5. Remove the memory cover (see
Memory module on page 47).
Remove the RTC battery:
1. Disconnect the RTC battery cable (1) from the system board.
2. Release the RTC battery (2) from the system board. (The RTC battery is attached to the system
board by double-sided tape.)
Reverse this procedure to install the RTC battery.
54 Chapter 4 Removal and replacement procedures ENWW