HP EliteBook 820 G1, HP EliteBook 725 G2, & EliteBook 720 G1 Notebook PCs - Maintenance and Service Guide

Power button board
Description Spare part number
Power button board (includes cable) 730552-001
Before removing the power button board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the service cover (see
Service cover on page 67), and then remove the following components:
a. Battery (see
Battery on page 69)
b. Hard drive (see
Hard drive on page 71)
c. Keyboard (see
Keyboard on page 81)
d. Top cover (see
Top cover on page 89)
e. System board (see
System board on page 107)
Remove the power button board:
1. Remove the two Phillips PM2.0×3.25 screws (1) that secure the power button board to the top cover.
2. Remove the power button board (2) and cable.
Reverse this procedure to install the power button board.
118 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts