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

Fingerprint reader board
Description Spare part number
Fingerprint reader board (includes bracket and cable) 730554-001
Before removing the fingerprint reader 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)
Remove the fingerprint reader board:
1. Turn the top cover upside down with the front toward you.
2. Detach the fingerprint reader board cable (1) from the top cover. (The fingerprint reader board cable is
attached to the top cover with double-sided adhesive.)
3. Remove the three Phillips PM2.0×2.5 screws that secure the fingerprint reader board and bracket to the
top cover.
4. Remove the fingerprint reader board bracket (3).
Component replacement procedures 115