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

Description Spare part number
Equipped with an Intel Core i3-5010U 2.10-GHz processor (3.0-MB L3 cache, dual core, 15-W), AMD
Radeon R7 M260X graphics subsystem with discrete memory, and a non-Windows operating system for
use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models
799514-001
Equipped with an Intel Core i3-5010U 2.10-GHz processor (3.0-MB L3 cache, dual core, 15-W), Intel HD
Graphics 5500 graphics subsystem with UMA memory, and the Windows 10 or Windows 8 Professional
operating system for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2
Notebook PC computer models
799509-601
Equipped with an Intel Core i3-5010U 2.10-GHz processor (3.0-MB L3 cache, dual core, 15-W), Intel HD
Graphics 5500 graphics subsystem with UMA memory, and the Windows 10 or Windows 8 Standard
operating system for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2
Notebook PC computer models
799509-501
Equipped with an Intel Core i3-5010U 2.10-GHz processor (3.0-MB L3 cache, dual core, 15-W), Intel HD
Graphics 5500 graphics subsystem with UMA memory, and a non-Windows operating system for use
only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models
799509-001
Before removing the system 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)
When replacing the system board, be sure that the following components are removed from the defective
system board and installed on the replacement system board:
●
Memory modules (see Memory module on page 68)
●
Heat sink (see Heat sink on page 90)
●
WLAN module (see WLAN module on page 66)
●
WWAN module (see WWAN module on page 64)
Remove the system board:
1. Position the computer right side up.
2. Open the computer as far as it will open.
100 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts ENWW