HP ProBook 430 G1, Maintenance And Service Manual

Page: 65 / 139

RTC battery
Description Spare part number
RTC battery 684248-001
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 35 ).
5. Remove the following components:
a. Service door (see Service door on page 43 ).
b. Keyboard (see Keyboard on page 37 )
c. Top cover (see Top cover on page 50 )
Remove the RTC battery:
1. Position the computer upright with the front toward you.
2. Use a screwdriver to loosen the battery from the socket (1) .
3. Lift the battery from the system board (2) .
Reverse this procedure to install the RTC battery.
Component replacement procedures 55