HP ProBook 645 G2 User Manual

5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 37
Component replacement procedures .................................................................................................................. 37
Service door ....................................................................................................................................... 37
Battery ............................................................................................................................................... 38
Hard drive .......................................................................................................................................... 39
Solid-state drive (select products only) ............................................................................................ 41
WWAN module (select products only) ............................................................................................... 42
WLAN module .................................................................................................................................... 44
Optical drive ....................................................................................................................................... 46
Keyboard ........................................................................................................................................... 48
Memory .............................................................................................................................................. 51
6 Removal and replacement procedures for Authorized Service Provider parts ................................................... 54
Component replacement procedures .................................................................................................................. 54
Hinge cover ........................................................................................................................................ 55
Base enclosure .................................................................................................................................. 57
System board .................................................................................................................................... 59
Fan and heat sink assembly .............................................................................................................. 61
Optical drive board ............................................................................................................................ 64
Top cover and TouchPad .................................................................................................................... 65
RTC battery ........................................................................................................................................ 68
Speaker .............................................................................................................................................. 70
Power button board .......................................................................................................................... 71
Fingerprint reader (select products only) ......................................................................................... 72
Smart card reader .............................................................................................................................. 74
Near Field Communication module ................................................................................................... 76
Audio board ....................................................................................................................................... 78
Serial .................................................................................................................................................. 80
Display assembly ................................................................................................................................................. 82
7 Computer Setup (BIOS), TPM, and HP Sure Start in Windows 10 ........................................................................ 88
Using Computer Setup ......................................................................................................................................... 88
Starting Computer Setup .................................................................................................................. 88
Navigating and selecting in Computer Setup ................................................................................... 88
Restoring factory settings in Computer Setup ................................................................................. 89
Updating the BIOS ............................................................................................................................. 90
Determining the BIOS version ......................................................................................... 90
Downloading a BIOS update ........................................................................................... 90
Changing the boot order using the f9 prompt .................................................................................. 91
TPM BIOS settings (select products only) ........................................................................................................... 91
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HP ProBook 645 G2 Specifications

General

Form factor	Clamshell
Product type	Laptop
Product color	Black, Silver
Country of origin	China
Memory slots	2x SO-DIMM
Internal memory	8 GB
Memory clock speed	1600 MHz
Memory form factor	SO-DIMM
Internal memory type	DDR3L-SDRAM
Maximum internal memory	16 GB
Memory layout (slots x size)	1 x 8 GB
LED backlight	Yes
Display surface	Matt
Display diagonal	14 \
Native aspect ratio	16:9
Intel segment tagging	Enterprise
SSD capacity	The Solid State Drive's storage capacity in Gigabytes.
Storage media	SSD
Optical drive type	DVD Super Multi
Total storage capacity	256 GB
Compatible memory cards	SD, SDHC, SDXC
Number of SSDs installed	1
Discrete graphics card model	Not available
On-board graphics card model	AMD Radeon R6
On-board graphics card base frequency	800 MHz
Number of built-in speakers	2
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n), 802.11a, Wi-Fi 5 (802.11ac)
Bluetooth version	4.2
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Charging port type	DC-in jack
USB 2.0 ports quantity	0
Battery capacity	48 Wh
Number of battery cells	3
Pointing device	Touchpad
Operating system architecture	64-bit
Processor cache	2 MB
Processor cores	4
Processor family	AMD PRO A10
Processor frequency	1.8 GHz
Processor cache type	L2
Processor manufacturer	AMD
Processor boost frequency	3.2 GHz
AC adapter power	65 W

Weight and Dimensions

Depth	237 mm
Width	340 mm
Weight	2000 g
Height (front)	25.3 mm