HP ProBook 640 G2 Notebook PC, HP ProBook 645 G2 Notebook PC, HP ProBook 650 G2 Notebook PC and HP ProBook 655 G2 Notebook PC - Maintenance and Service Guide

Near Field Communication module
Description Spare part number
Near Field Communication (NFC) module 840661-001
For 14" products 840661-001
For 15" products 840729-001
Near Field Communication (NFC) cable
For 14" products 840661-001
For 15" products 840729-001
IMPORTANT: Make special note of each screw and screw lock size and location during removal and
replacement
Before removing the NFC module, 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 following components:
a. Service door (see Service door on page 37).
b. Remove the battery (see Battery on page 38)
c. Hard drive (see Hard drive on page 39).
d. Solid-state drive (see Solid-state drive (select products only) on page 41).
e. WWAN module (see WWAN module (select products only) on page 42).
f. WLAN module (see WLAN module on page 44).
g. Optical drive (see Optical drive on page 46).
h. Keyboard (see Keyboard on page 48).
i. Hinge covers (see Hinge cover on page 55).
j. Base enclosure (see Base enclosure on page 57).
k. System board (see System board on page 59).
l. Fan/heat sink assembly (see Fan and heat sink assembly on page 61).
m. Top cover (see Top cover and TouchPad on page 65).
Remove the NFC module:
▲
Disconnect the NFC module (1), and then remove it (2).
76 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts