HP ProBook 430 G3 Notebook PC - Maintenance and Service Guide

RTC battery
Description Spare part number
RTC battery 826388-001
Before removing the RTC battery, follow these steps:
1. Shut down 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 all external devices connected to the computer.
3. Disconnect the power from the computer by rst 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 33).
5. Remove the following components:
a. Service door (see Service door on page 34).
b. Hard drive (see Hard drive on page 35)
c. Keyboard (see Keyboard on page 44)
d. Top cover (see Top cover on page 49)
e. System board (see System board on page 64)
Remove the RTC battery:
1. Position the system board upside-down.
2. Use a tool to pry the battery out of the socket (1).
3. Remove the battery from the system board (2).
Component replacement procedures 67