HP EliteBook 820 G2 Notebook PC and HP EliteBook 720 G2 Notebook PC - Maintenance and Service Guide

5. Remove the ngerprint reader board (4).
Reverse this procedure to install the ngerprint 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 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 service cover (see Service cover on page 37), and then remove the following components:
a. Battery (see Battery on page 39)
b. Hard drive (see Hard drive/solid-state drive on page 41)
c. Keyboard (see Keyboard on page 50)
d. Top cover (see Top cover on page 57)
e. System board (see System board on page 76)
Remove the speaker assembly:
1. Release the four clips (1) built into the top cover that secure the speaker assembly to the top cover.
80 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts