Rtc Battery, Hp 440 Models - HP ProBook 440 G2 Maintenance And Service Manual

RTC battery, HP 440 models

Description
RTC battery
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
5. Remove the following components:
a. Service doors (see
b. Hard drive (see
c. Optical drive (see
d. Keyboard (see
e. Top cover (see
f. System board (see
Remove the RTC battery:
1. Position the system board upside-down.
2. Disconnect the cable from the system board connector (1).
84 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Battery on page 42).
Service door on page
Hard drive on page 45)
Optical drive on page 49)
Keyboard on page 55)
Top cover on page 58)
System board on page
43).
77)
Spare part number
759981-001