HP ProBook 450 G3 Notebook PC - Maintenance and Service Guide

Power connector and cable
Description Spare part number
Power connector and cable 827039-001
Before removing the power cable, 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 34).
5. Remove the following components:
a. Service doors (see Service doors on page 35).
b. Optical drive (Optical drive on page 37)
c. Hard drive (Hard drive on page 39)
d. Keyboard (see Keyboard on page 48)
e. Top cover (see Top cover on page 53)
f. Display assembly (see Display assembly on page 81)
Remove the power cable:
1. Disconnect the cable from the system board (1).
2. Remove the cable from the clips around the fan (2), and then remove the power cable from the
computer (3).
Reverse this procedure to install the power cable.
86 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts