HP 640 ProBook G3 Notebook PC & HP 650 ProBook G3 Notebook PC - Maintenance and Service Guide
Table Of Contents
- Product description
- External component identification
- Illustrated parts catalog
- Removal and replacement procedures preliminary requirements
- Removal and replacement procedures for Authorized Service Provider parts
- Component replacement procedures
- Service door
- Battery
- Hard drive
- Solid-state drive (select products only)
- WWAN module (select products only)
- WLAN module
- Optical drive
- Keyboard
- Memory
- Hinge cover
- Base enclosure
- System board
- Fan and heat sink assembly
- Optical drive board
- Top cover and TouchPad
- RTC battery
- Speaker
- Power button board
- Fingerprint reader (select products only)
- Smart card reader
- Near Field Communication module
- Audio board
- Serial board
- Display assembly
- Component replacement procedures
- Computer Setup (BIOS), TPM, and HP Sure Start
- Using HP PC Hardware Diagnostics (UEFI)
- Backing up, restoring, and recovering
- Specifications
- Power cord set requirements
- Statement of memory volatility
- Recycling
- Index

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).
Remove the solid-state drive:
▲
Remove 1 Phillips M2.0x8 screw (1), and then remove the solid-state drive (2).
Reverse this procedure to install the solid-state drive.
WWAN module (select products only)
NOTE: The WWAN module spare part kit includes the cable.
Description Spare part number
WWAN module
T77W595 LTE M.2 with GPS 800870-002
Huawei Wrangler 2 HSPA+M.2 918670-852
Macan ME906S LTE with GPS M.2 918671-852
IMPORTANT: Make special note of each screw and screw lock size and location during removal and
replacement
Before removing the WWAN module, follow these steps:
42 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts










