HP 640 ProBook G3 Notebook PC & HP 650 ProBook G3 Notebook PC - Maintenance and Service Guide

Description Spare part number
Realtek 11BGN+BT4 1x1 SANJI2 CB 855106-852
11AC+BT 1x1 3168.NGWG M.2 MOW 863934-852
11AC+BT INT 7265NV M.2 D1 MOW 901229-852
11AC 2x2 INT 8265NGWMG 910264-852
11AC 2x2 INT 8265NGWMG.NV 918855-852
IMPORTANT: Make special note of each screw and screw lock size and location during removal and
replacement
Before removing the WLAN, follow these steps:
1. Shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter 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).
Remove the WLAN module:
1. Disconnect the two cables (1).
2. Remove 1 M 2.0x3L P1 screw (2).
44 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts