HP EliteBook 840 G2 Notebook PC HP EliteBook 740 G2 Notebook PC HP ZBook 14 G2 Mobile Workstation - Maintenance and Service Guide

Fingerprint reader board
Description Spare part number
Fingerprint reader board (includes bracket and cable) 730956-001
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 57), and then remove the following components:
a. Battery (see Battery on page 59)
b. Keyboard (see Keyboard on page 69)
c. Base enclosure (see Base enclosure on page 81)
d. Fan (see Fan on page 83)
e. Heat sink (see Heat sink on page 90)
Remove the fingerprint reader board:
1. Turn the computer upside down.
2. Release the plastic cover (1) that covers the fingerprint reader board.
3. Slide the fingerprint reader board bracket away from the fingerprint reader board (2), and remove it.
4. Remove the fingerprint reader board (3).
96 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts ENWW