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

15. Remove the system board (2) by sliding it up and to the left at an angle.
Reverse this procedure to install the system board.
Speaker assembly
Description Spare part number
Speaker assembly (includes cable) 730798-001
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 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)
f. System board (see System board on page 97)
Remove the speaker assembly:
ENWW Component replacement procedures 103