HP ProBook 450 G2 Maintenance And Service Guide

Optical drive extension board
You must remove the system board to remove the optical drive extension board.
Before removing the optical drive extension board, follow these steps:
1. Shut down 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 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 battery (see Battery on page 36).
5. Remove the following components:
a. Service doors (see Service door on page 37).
b. Hard drive (see Hard drive on page 39)
c. Optical drive (see Optical drive on page 43)
d. WLAN module (see WLAN/Bluetooth combo card on page 45)
e. WWAN module (see WWAN module on page 47)
f. Keyboard (see Keyboard on page 49)
g. Top cover (see Top cover on page 58)
h. System board (see System board on page 78)
Remove the optical drive extension board:
1. Position the system board upright.
2. Pull the optical drive extension board straight away from the side of the system board.
Reverse this procedure to install the optical drive extension board.
82 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

HP ProBook 450 G2 Specifications

General

Form factor	Clamshell
Product type	Laptop
Product color	Black, Grey
Country of origin	China
Bus type	DMI2
Stepping	D0
Tjunction	100 °C
Processor cache	3 MB
Processor cores	2
System bus rate	5 GT/s
Processor family	Intel® Core™ i5
Processor series	Intel Core i5-4200 Mobile series
Processor socket	BGA 1168
Processor threads	4
Processor codename	Haswell
Processor frequency	1.7 GHz
Processor cache type	Smart Cache
Processor lithography	22 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor boost frequency	2.7 GHz
Processor operating modes	64-bit
ECC supported by processor	No
PCI Express configurations	4x1, 2x4
Thermal Design Power (TDP)	15 W
Maximum number of PCI Express lanes	12
Motherboard chipset	-
Internal memory	4 GB
Memory clock speed	1600 MHz
Internal memory type	DDR3-SDRAM
Maximum internal memory	16 GB
Memory layout (slots x size)	1 x 4 GB
SSD capacity	The Solid State Drive's storage capacity in Gigabytes.
Storage media	SSD
Optical drive type	DVD Super Multi DL
Card reader integrated	Yes
Total storage capacity	128 GB
Number of SSDs installed	1
Display diagonal	15.6 \
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
On-board graphics card ID	0xA16
Discrete graphics card model	Not available
On-board graphics card model	Intel® HD Graphics 4400
On-board graphics card family	Intel® HD Graphics
Maximum on-board graphics card memory	1.74 GB
On-board graphics card base frequency	200 MHz
On-board graphics card dynamic frequency (max)	1000 MHz
Intel segment tagging	Enterprise, Professional
Audio system	DTS Sound+
Wi-Fi standards	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Charging port type	DC-in jack
DisplayPorts quantity	0
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Pointing device	Touchpad
Recovery operating system	Windows 8.1 Pro
Operating system installed	Windows 7 Professional
Processor code	SR1EF
Processor ARK ID	81016
Intel TSX-NI version	0.00
Processor package size	40 x 24 x 1.5 mm
Intel ME Firmware Version	9.5
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2
Intel Smart Connect Technology version	1.00
Battery capacity	44 Wh
Battery life (max)	- h
Sustainability certificates	EPEAT Gold, ENERGY STAR

Weight and Dimensions

Depth	262.8 mm
Width	375 mm
Weight	2110 g
Height (rear)	25.5 mm
Height (front)	23.4 mm