HP ZBook 15 G2 Mobile Workstation Maintenance and Service Guide

Power button board
Description Spare part number
Power button board (includes cable) 734285-001
Before removing the power button board, follow these steps:
1. Turn o 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see Battery on page 37), and then remove the following components:
a. Service cover (see Service cover on page 38)
b. Hard drive (see Hard drive on page 39)
c. Optical drive (see Optical drive on page 41)
d. Keyboard (see Keyboard on page 50)
e. Top cover (see Top cover on page 58)
Remove the power button board:
1. Turn the top cover upside down, with the front toward you.
2. Remove the Phillips PM2.0×3.0 screw (1) that secures the power button board to the top cover.
3. Release the clips (2) that secure the power button board to the top cover.
4. Remove the power button board (3) and cable
66 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts