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

5. Remove the fingerprint reader board (4).
Reverse this procedure to install the fingerprint reader board.
Speaker assembly
Description Spare part number
Speaker assembly (includes left and right speakers and cables) 730555-001
Before removing the speaker assembly, 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 speaker assembly:
1. Release the four clips (1) built into the top cover that secure the speaker assembly to the top cover.
116 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts