HP EliteBook 725 G3 Maintenance and Service Guide

HP EliteBook 725 G3 Notebook PC

Maintenance and Service Guide

© Copyright 2015 HP Development Company,

L.P.

AMD and AMD Radeon are trademarks of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its proprietor and used by HP Inc. under license. Intel is a trademark of Intel Corporation in the U.S. and other countries. Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries, used with permission.

For DTS patents, see http://patents.dts.com. Manufactured under license from DTS Licensing Limited. DTS, the Symbol, & DTS and the Symbol together are registered trademarks, and DTS Studio Sound is a trademark of DTS, Inc. © DTS, Inc. All Rights

Reserved .

Product notice

This guide describes features that are common to most models. Some features may not be available on your computer.

Not all features are available in all editions of Windows 10 or Windows 8. This computer may require upgraded and/or separately purchased hardware, drivers and/or software to take full advantage of Windows 10 or Windows 8 functionality. See http://www.microsoft.com for details.

The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

First Edition: October 2015

Document Part Number: 830983-001

Important Notice about Customer Self-Repair Parts

CAUTION: Your computer includes Customer Self-Repair parts and parts that should only be accessed by an authorized service provider. See Chapter 5, "Removal and replacement procedures for Customer Self-Repair parts," for details. Accessing parts described in Chapter 6, "Removal and replacement procedures for Authorized Service Provider only parts," can damage the computer or void your warranty.

iii

iv Important Notice about Customer Self-Repair Parts

Safety warning notice

WARNING! To reduce the possibility of heat-related injuries or of overheating the device, do not place the device directly on your lap or obstruct the device air vents. Use the device only on a hard, at surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block air ow. Also, do not allow the AC adapter to contact the skin or a soft surface, such as pillows or rugs or clothing, during operation. The device and the AC adapter comply with the user-accessible surface temperature limits de ned by the International Standard for Safety of Information Technology Equipment (IEC 60950-1).

v

vi Safety warning notice

Table of contents

1 Product description .......................................................................................................................................	1
2 External component dent c t on ..................................................................................................................	6
Right .......................................................................................................................................................................	6
Left .........................................................................................................................................................................	8
Display ....................................................................................................................................................................	9
Top ........................................................................................................................................................................	10
TouchPad ...........................................................................................................................................	10
Lights .................................................................................................................................................	11
Buttons, speakers, and ngerprint reader ........................................................................................	12
Keys ...................................................................................................................................................	13
Using the hot keys .............................................................................................................................	13
Bottom .................................................................................................................................................................	15
Front .....................................................................................................................................................................	15
Locating system information ..............................................................................................................................	16
3 Illustrated parts catalog ..............................................................................................................................	18
Computer major components ..............................................................................................................................	18
Display assembly subcomponents ......................................................................................................................	21
Plastics kit ............................................................................................................................................................	22
Cable kit ...............................................................................................................................................................	23
Mass storage devices ...........................................................................................................................................	24
Miscellaneous parts .............................................................................................................................................	25
4 Removal and replacement procedures preliminary requirements ....................................................................	27
Tools required ......................................................................................................................................................	27
Service considerations .........................................................................................................................................	27
Plastic parts .......................................................................................................................................	27
Cables and connectors ......................................................................................................................	28
Drive handling ...................................................................................................................................	28
Grounding guidelines ...........................................................................................................................................	29
Electrostatic discharge damage ........................................................................................................	29
Packaging and transporting guidelines ..........................................................................	30
Workstation guidelines ...................................................................................................	30
Equipment guidelines .....................................................................................................	31

vii

5 Removal and replacement procedures for Customer Self-Repair parts .............................................................	32
Component replacement procedures ..................................................................................................................	32
Bottom cover .....................................................................................................................................	32
Battery ...............................................................................................................................................	35
Hard drive ..........................................................................................................................................	36
SSD .....................................................................................................................................................	38
Memory modules ...............................................................................................................................	40
WLAN/Bluetooth combo card ............................................................................................................	42
WWAN module ...................................................................................................................................	44
Keyboard ...........................................................................................................................................	46
6 Removal and replacement procedures for Authorized Service Provider parts ...................................................	49
Component replacement procedures ..................................................................................................................	49
System board ....................................................................................................................................	49
RTC battery ........................................................................................................................................	52
Heat sink/fan assembly ....................................................................................................................	53
Fingerprint reader assembly .............................................................................................................	55
Touchpad button board .....................................................................................................................	56
NFC module .......................................................................................................................................	57
Smart card reader board ...................................................................................................................	58
Speaker assembly .............................................................................................................................	59
Display assembly ...............................................................................................................................	61
Top cover ...........................................................................................................................................	65
7 Computer Setup (BIOS), TPM, and HP Sure Start in Windows 10 ........................................................................	67
Using Computer Setup .........................................................................................................................................	67
Starting Computer Setup ..................................................................................................................	67
Navigating and selecting in Computer Setup ...................................................................................	67
Restoring factory settings in Computer Setup .................................................................................	68
Updating the BIOS .............................................................................................................................	69
Determining the BIOS version .........................................................................................	69
Downloading a BIOS update ...........................................................................................	69
Changing the boot order using the f9 prompt ..................................................................................	70
TPM BIOS settings (select products only) ...........................................................................................................	70
Using HP Sure Start (select products only) .........................................................................................................	71
8 Computer Setup (BIOS), TPM, and HP Sure Start in Windows 8 .........................................................................	72
Using Computer Setup .........................................................................................................................................	72
Starting Computer Setup ..................................................................................................................	72
Navigating and selecting in Computer Setup ...................................................................................	72

viii

Restoring factory settings in Computer Setup .................................................................................	73
Updating the BIOS .............................................................................................................................	74
Determining the BIOS version .........................................................................................	74
Downloading a BIOS update ...........................................................................................	74
Changing the boot order using the f9 prompt ..................................................................................	75
TPM BIOS settings (select products only) ...........................................................................................................	75
Using HP Sure Start (select products only) .........................................................................................................	76
9 Computer Setup (BIOS), TPM, and HP Sure Start in Windows 7 .........................................................................	77
Using Computer Setup .........................................................................................................................................	77
Starting Computer Setup ..................................................................................................................	77
Navigating and selecting in Computer Setup ...................................................................................	77
Restoring factory settings in Computer Setup .................................................................................	78
Updating the BIOS .............................................................................................................................	79
Determining the BIOS version .........................................................................................	79
Downloading a BIOS update ...........................................................................................	79
Changing the boot order using the f9 prompt ..................................................................................	80
TPM BIOS settings (select products only) ...........................................................................................................	80
Using HP Sure Start (select products only) .........................................................................................................	81
10 HP PC Hardware Diagnostics (UEFI) ..............................................................................................................	82
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device ....................................................................	82
11 Backing up and recovering Windows 10 .......................................................................................................	84
Creating recovery media and backups ................................................................................................................	84
Creating HP Recovery media (select products only) .........................................................................	84
Using Windows tools ...........................................................................................................................................	85
Restore and recovery ...........................................................................................................................................	86
Recovering using HP Recovery Manager ...........................................................................................	86
What you need to know before you get started .............................................................	86
Using the HP Recovery partition (select products only) .................................................	87
Using HP Recovery media to recover ..............................................................................	87
Changing the computer boot order ................................................................................	88
Removing the HP Recovery partition (select products only) .........................................	89
12 Backing up and recovering Windows 8 .........................................................................................................	90
Backing up your information ...............................................................................................................................	90
Performing a system recovery ............................................................................................................................	90
Using the Windows recovery tools ....................................................................................................	90
Using f11 recovery tools ...................................................................................................................	91

ix

Using Windows operating system media (purchased separately)	................................................... 92
Using Windows Refresh or Windows Reset ......................................................................................	93
Using HP Software Setup ..................................................................................................................	93
13 Backing up and recovering Windows 7 .........................................................................................................	94
Creating recovery media and backups ................................................................................................................	94
Guidelines ..........................................................................................................................................	94
Creating recovery media with HP Recovery Disc Creator .................................................................	94
Creating recovery media .................................................................................................	95
Backing up your information .............................................................................................................	95
Performing a system recovery ............................................................................................................................	96
Using the Windows recovery tools ....................................................................................................	96
Using f11 recovery tools (select models only) .................................................................................	97
Using Windows 7 operating system media .......................................................................................	97
14 pec c t ons ............................................................................................................................................	99
Input power ..........................................................................................................................................................	99
Operating environment .......................................................................................................................................	99
15 Power cord set requirements ....................................................................................................................	100
Requirements for all countries ..........................................................................................................................	100
Requirements for speci c countries and regions .............................................................................................	100
16 Statement of memory volatility ................................................................................................................	102
Nonvolatile memory usage ...............................................................................................................................	104
Questions and answers .....................................................................................................................................	106
Using HP Sure Start (select models only) ..........................................................................................................	107
17 Recycling ................................................................................................................................................	108
Index ...........................................................................................................................................................	109

x

1Product description

Category	Description
Product Name	HP EliteBook 725 G3 Notebook PC
Processors	Processors are attached to the system board.
	AMD® Carrizo processors:
	● A12 Pro-8800B 2.1 GHz (max turbo frequency 3.4 GHz), DDR3-2133, 2 MB L2 Cache, 15 W
	● A10 Pro-8700B 1.8 GHz (max turbo frequency 3.2 GHz), DDR3-2133, 2 MB L2 Cache, 15 W
	● A8 Pro-8600B 1.6 GHz (max turbo frequency 3 GHz), DDR3-2133, 2 MB L2 Cache, 15 W
Chipset	Integrated with processor
Graphics	Internal graphics:
	AMD UMA graphics (with shared video memory)
	AMD Vivid Color Support
	Dual-display ports supported through docking solution
	Up to three independent displays supported with docking solution
	● AMD Radeon™ R7 (A12 Pro-8800B)
	● AMD Radeon R6 (A10 Pro-8700B, A8 Pro-8600B)
Panel	12.5 in (31.75 cm), high-de nition (HD), Slim eDP (1366×768), SVA AG, typical brightness: 220 cd/m2 (nits)
	with and without webcam
	12.5 in (31.75 cm),full high-de nition (FHD), UltraSlim eDP (1920x1080), UWVA AG, typical brightness: 300
	cd/m2 (nits) with and without webcam
	12.5 in (31.75 cm),full high-de nition (FHD), UltraSlim eDP (1920x1080) UWVA AG, typical brightness: 300
	cd/m2 (nits) with touch and webcam
Memory	Two SODIMM customer-accessible/upgradable memory module slots
	Supports up to 16 GB of system RAM
	DDR3L -12800 (1600 MHz) dual channel support
	Supports the following con gurations
	● 16384 MB (8192 MB×2; not supported on computer models with a Windows® 7 32-bit operating system)
	● 12288 (8192 MB + 4096 MB; not supported on computer models with a Windows 7 32-bit operating
	system)
	● 8192 MB (8192 MB×1 or 4096 MB×2; not supported on computer models with a Windows 7 32-bit
	operating system)
	● 4096 MB (4096 MB×1)
Hard drive	HDDs:
	Supports 6.35 cm (2.5 in) hard drives in 7.0 mm (.28 in) thicknesses (all hard drives use the same bracket)
	Serial ATA
	● 1 TB, 5400 rpm, 7.0 mm

1

Category	Description
	● 500 GB, 7200 rpm, 7.0 mm, self-encrypting (FIPS-140-2; Opal 2)
	● 500 GB, 7200 rpm, 7.0 mm, self-encrypting (Opal 2)
	● 500 GB, 7200 rpm, 7.0 mm
	● 500 GB, 7.0 mm, hybrid, 8 GB cach
	SSDs:
	●	M.2 (2280)	512 GB SATA-3 TLC
	●	M.2 (2280)	256 GB PCIe-3×4 SS NVMe
	●	M.2 (2280)	256 GB SATA-3 self-encrypting (Opal 2) MLC
	●	M.2 (2280)	256 GB SATA-3 TLC
	●	M.2 (2280)	240 GB SATA-3 MLC DS
	●	M.2 (2280)	180 GB SATA-3 self-encrypting (Opal 2) MLC
	●	M.2 (2280)	180 GB SATA-3 MLC
	●	M.2 (2280)	128 GB SATA-3 TLC
Audio and video	Supports:
	DTS Studio Sound
	Conexant smart ampli er and ambient noise suppression
	Dual-array microphone
	Dual speakers
	Webcamera (720p)
Ethernet	●	Broadcom 5762 10/100/1000 Ethernet NIC with DASH Support
		S3/S4/S5 Wake-on-LAN
Wireless	WLAN
	Integrated wireless local area network (WLAN) options by way of wireless module
	Two WLAN antennas built into display assembly
	Integrated wireless personal area network (PAN) supported by Bluetooth® 4.0 or Bluetooth 4.1 combo card
	Compatible with		iracast-certi ed devices

Support for the following WWAN formats:

●Intel® 7265NV 802.11ac 2x2 + BT 4.1 non-vPro

●Broadcom 43228 dual-band 802.11a/b/g/n 2x2 Wi-Fi Adapter + BT 4.0 combo, for all regions and countries except Indonesia

●Broadcom 43228 dual-band 802.11a/b/g/n 2x2 Wi-Fi Adapter + BT 4.0 combo, for Indonesia only

●Realtek 802.11b/g/n solo-band 1x1 Wi-Fi Adapter + BT 4.0 combo adapter

Supports no WLAN option

NFC

Supports the following NFC formats:

Integrated NFC Galapagos NXP NPC100 12C NCI 10 mm x 25 mm module

NFC antenna

2Chapter 1 Product description

Category	Description
	Supports no NFC option
	WWAN
	Integrated wireless wide area network (WWAN) options by way of wireless module
	Two WWAN antennas built into display assembly
	Supports the following WWAN formats:
	●	HP lt4120 Qualcomm® Snapdragon™ X5 LTE Mobile Broadband Module
	●	HP hs31110 HSPA + Intel Mobile Broadband Module
	Supports no WWAN option
External media cards	SIM card reader
	Memory card reader (SD, SDHC, SDXC)
Ports	VGA
	USB 3.0 charging
	USB 3.0
	USB Type-C
	DisplayPort
	RJ-45
	Docking connector
	Audio-out (headphone)/audio-in (microphone) combo jack
	AC port
Keyboard/pointing	Keyboard:
devices	Dura keys, backlit, spill resistant with drain
	Spill resistant with drain
	TouchPad:
	Gestures enabled by default: twonger scrolling, two-		nger pinch-zoom
	Taps enabled by default
	n/o	button
	Glass
Power requirements	3-cell Li-Ion battery, 44 WHr, 3.91 Ahr
	65 W HP Smart AC adapter
	45 W HP Smart AC adapter
	45 W, 2-prong AC adapter
Security	Security lock
	Fingerprint reader
	Supports Trusted Platform Module (TPM) 1.2 or 2.0 n		neon, soldered down)
	Integrated Smart Card reader (active)
	Preboot authentication (password, smart card)

3

Category	Description
Operating system	Preinstalled:
	●	Windows 7 Professional 32-bit and 64-bit
	●	Windows 8.1 China 64 (CPPP)
	●	Windows 8.1 High-end Emerging Markets 64
	●	Windows 8.1 Emerging Markets 64
	●	Windows 8.1 High-end Multilingual 64
	●	Windows 8.1 Multilingual 64
	●	Windows 8.1 Professional 64
	●	Windows 8.1 Core for Higher Education (Multilingual)
	●	Windows 10 Home 64
	●	Windows 10 Home 64 Single Language
	●	Windows 10 Home 64 Chinese Market (CPPP)
	●	Windows 10 Home High-End
	●	Windows 10 Home High-End Single Language
	●	Windows 10 Professional 64
	●	Windows 10 Professional 64 with downgrade to Windows 7 32or 64-bit
	●	Windows 10 Professional 64 Southeast Asia
	●	Windows 10 Professional 64 with downgrade to Windows 7 32or 64-bit Southeast Asia
	●	FreeDOS 2.0
	Restore Media–DR/SR-DVD
	●	Windows 7
	●	Windows 8.1
	●	Windows 10
	Restore Media–OSDVD:
	●	Windows 7 Professional 32or 64-bit
	●	Windows 8.1 Professional 64-bit
	●	Windows 8.1 64-bit
	●	Windows 8.1 Country peci c 64-bit
	●	Windows 8.1 Emerging Markets 64-bit
	●	Windows 10 Professional 64

ert ed

●Microsoft® WHQL

Web-only support:

●Windows 7 Enterprise 32

●Windows 7 Enterprise 64

●Windows 8.1 Enterprise 64

4Chapter 1 Product description

Category	Description
	● Windows 10 Professional 64
Serviceability	End user replaceable parts:
	AC adapter
	Battery
	Hard drive
	SSD
	Memory module
	WLAN
	WWAN
	Keyboard

5

2 External component dent c t on

Right

Component		Description
(1)	USB Type-C (charging) port	Connects any USB device with a Type-C connector.
		NOTE: USB Type-C ports charge products such as cell phones,
		laptops, tablets, and MP3 players, even when the computer is
		o . Also, some USB Type-C ports connect DisplayPort, VGA,
		HDMI and other video devices to provide video output.
		NOTE: Adapters (purchased separately) may be required.
(2)	Dual-Mode DisplayPort	Connects an optional digital display device, such as a high-
		performance monitor or projector.
(3)	Memory card reader	Reads optional memory cards that store, manage, share, or
		access information.
(4)	Audio-out (headphone)/Audio-in (microphone)	Connects optional powered stereo speakers, headphones,
	combo jack	earbuds, a headset, or a television audio cable. Also connects an
		optional headset microphone. This jack does not support
		optional microphone-only devices.
		WARNING! To reduce the risk of personal injury, adjust the
		volume before putting on headphones, earbuds, or a headset.
		For additional safety information, refer to the Regulatory,
		Safety, and Environmental Notices.
		To access this guide:
		Windows 10:
		Select the Start button, select All apps, select HP Help and
		Support, and then select HP Documentation.
		Windows 8 or Windows 7:
		Select the HP Support Assistant app on the Start screen, select
		My computer, and then select User guides.
		NOTE: When a device is connected to the jack, the computer
		speakers are disabled.
(5)	USB 3.0 port	Connects an optional USB device, such as a keyboard, mouse,
		external drive, printer, scanner or USB hub.

6 Chapter 2 External component identi cation

Component		Description
(6)	RJ-45 (network) jack/status lights	Connects a network cable.
		●	Green (left): The network is connected.
		●	Amber (right): Activity is occurring on the network.
(7)	Docking connector	Connects an optional docking device.
(8)	SIM card slot	Supports a wireless subscriber identity module (SIM) card.
(9)	Power connector	Connects an AC adapter.

Right 7

Left

Component		Description
(1)	Security cable slot	Attaches an optional security cable to the computer.
		NOTE: The security cable is designed to act as a deterrent, but
		it may not prevent the computer from being mishandled or
		stolen.
(2)	Vents (2)	Enable air ow to cool internal components.
		NOTE: The computer fan starts up automatically to cool
		internal components and prevent overheating. It is normal for
		the internal fan to cycle on and o during routine operation.
(3)	External monitor port	Connects an external VGA monitor or projector.
(4)	USB 3.0 charging (powered) port	Connects an optional USB device, such as a keyboard, mouse,
		external drive, printer, scanner or USB hub. Standard USB ports
		will not charge all USB devices or will charge using a low current.
		Some USB devices require power and require you to use a
		powered port.
		NOTE: USB charging ports can also charge select models of
		cell phones and MP3 players, even when the computer is o .
(5)	Smart card reader	Supports optional smart cards.

8 Chapter 2 External component identi cation

Display

Component		Description
(1)	WLAN antennas*	Send and receive wireless signals to communicate with wireless local
		area networks (WLANs).
(2)	WWAN antennas*	Send and receive wireless signals to communicate with wireless wide
		area networks (WWANs).
(3)	Internal microphones	Record sound.
(4)	Webcam light	On: The webcam is in use.
(5)	Webcam	Records video and captures photographs. Some models allow you to
		video conference and chat online using streaming video.

To use the webcam:

▲ Type camera in the taskbar search box, and then select

Camera.

*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around the antennas free from obstructions.

For wireless regulatory notices, see the section of the Regulatory, Safety, and Environmental Notices that applies to your country or region.

To access this guide:

Windows 10:

Select the Start button, select All apps, select HP Help and Support, and then select HP Documentation.

Windows 8 or Windows 7:

Select the HP Support Assistant app on the Start screen, select My computer, and then select User guides.

Display 9

Top

TouchPad

Component		Description
(1)	Pointing stick (select products only)	Moves the pointer and selects or activates items on the screen.
(2)	Left pointing stick button (select products only)	Functions like the left button on an external mouse.
(3)	TouchPad on/o button/TouchPad light	Turns the TouchPad on and o .
		●	On: The TouchPad is o .
		●	The TouchPad is on.
(4)	TouchPad zone	Reads your nger gestures to move the pointer or activate
		items on the screen.
(5)	Left TouchPad button	Functions like the left button on an external mouse.
(6)	Right pointing stick button (select products	Functions like the right button on an external mouse.
	only)
(7)	Right TouchPad button	Functions like the right button on an external mouse.

10 Chapter 2 External component identi cation

Lights

Component		Description
(1)	Caps lock light	On: Caps lock is on, which switches the key input to all capital
		letters.
(2)	Power light	●	On: The computer is on.
		●	Blinking: The computer is in the Sleep state, a power-saving
			state. The computer shuts o power to the display and
			other unneeded components.
		●	The computer is o or in Hibernation. Hibernation is a
			power-saving state that uses the least amount of power.
(3)	Mute light	●	Amber: Computer sound is o .
		●	Computer sound is on.
(4)	Microphone mute light	●	Amber: microphone sound is o .
		●	microphone sound is on.
(5)	Wireless light	On: An integrated wireless device, such as a wireless local area
		network (WLAN) device and/or a Bluetooth® device, is on.
		NOTE: On some models, the wireless light is amber when all
		wireless devices are o .
(6)	Num lock light	On: Num lock is on.

Top 11

Buttons, speakers, and n erpr nt reader

Component		Description
(1)	Power button	●	When the computer is o , press the button to turn on the
			computer.
		●	When the computer is on, press the button brie y to initiate
			Sleep.
		●	When the computer is in the Sleep state, press the button
			brie y to exit Sleep.
		●	When the computer is in Hibernation, press the button
			brie y to exit Hibernation.
		CAUTION: Pressing and holding down the power button results
		in the loss of unsaved information.
		If the computer has stopped responding and shutdown
		procedures are ine ective, press and hold the power button for at
		least 15 seconds to turn o the computer.
		To learn more about your power settings, see your power
		options.
		▲	Type power in the taskbar search box, and then select
			Power and sleep settings.
			‒ or –
			Right-click the Start button, and then select Power
			Options.
(2)	Speakers	Produce sound.
(3)	Fingerprint reader (select products only)	Allows a ngerprint logon to Windows, instead of a password
		logon.

12 Chapter 2 External component identi cation

Keys

Component		Description
(1)	esc key	Displays system information when pressed in combination with
		the fn key.
(2)	fn key	Executes frequently used system functions when pressed in
		combination with a function key, the num lock key, or the esc
		key.
		See Using the hot keys on page 13
(3)	Windows key	Opens the Start menu.
		NOTE: Pressing the Windows key again will close the Start
		menu.
(4)	Embedded numeric keypad	A numeric keypad superimposed over the keyboard alphabet
		keys that enables you to add, subtract, and perform other
		numeric tasks. When num lock is on, the keypad can be used like
		an external numeric keypad.
(5)	num lock key	Turns the embedded numeric keypad on and o .

Using the hot keys

To use a hot key:

▲Press the fn key, and then press the correct function key represented by the icons below.

Press fn+function key Description

Initiates Sleep, which saves your information in system memory. The display and other system components turn o and power is conserved.

To exit Sleep, brie y press the power button.

CAUTION: To reduce the risk of information loss, save your work before initiating Sleep.

Turns the backlight keyboard o or on.

NOTE: To conserve battery power, turn o this feature.

Top 13

Press fn+function key	Description
	Switches the screen image among display devices connected to the system. For example, if a monitor is
	connected to the computer, repeatedly pressing fn+f4 alternates the screen image from computer display to
	monitor display to simultaneous display on both the computer and the monitor.
	Most external monitors receive video information on the computer using the external VGA video standard.
	The fn+f4 hot key can also alternate images among other devices that are receiving video information on the
	computer.
	Decreases the screen brightness incrementally as long as you hold down the key.
	Increases the screen brightness incrementally as long as you hold down the key.
	Mutes or restores speaker sound.
	Decreases speaker volume incrementally while you hold down the key.
	Increases speaker volume incrementally while you hold down the key.
	Mutes the microphone.
	Turns the wireless feature on or o .
	NOTE: A wireless network must be set up before a wireless connection is possible.
R	Pauses or breaks an operation. This replaces the break key.
C	Locks cell. This replaces the scroll lock key.
S	Sends a programming query. This replaces the sys rq key.

14 Chapter 2 External component identi cation

Bottom

Component		Description
(1)	Docking connector	Connects an optional docking device.
(2)	Vents (2)	Enable air ow to cool internal components.
		NOTE: The computer fan starts up automatically to cool
		internal components and prevent overheating. It is normal
		for the internal fan to cycle on and o during routine
		operation.

Front

Component		Description
(1)	Wireless light	On: An integrated wireless device, such as a wireless local
		area network (WLAN) device and/or a Bluetooth® device, is
		on.
		NOTE: On some models, the wireless light is amber when
		all wireless devices are o .
(2)	Power light	●	On: The computer is on.

Bottom 15

Component		Description
		●	Blinking: The computer is in the Sleep state, a power-
			saving state. The computer shuts o power to the
			display and other unneeded components.
		●	The computer is o or in Hibernation.
			Hibernation is a power-saving state that uses the
			least amount of power.
(3)	Battery light	When AC power is connected:
		●	White: The battery charge is greater than 90 percent.
		●	Amber: The battery charge is from 0 to 90 percent.
		●	The battery is not charging.

When AC power is disconnected (battery not charging):

		●	Blinking amber: The battery has reached a low
			battery level. When the battery has reached a critical
			battery level, the battery light begins blinking
			rapidly.
		●	The battery is not charging.
(4)	Drive light	●	Blinking white: The hard drive is being accessed.
		●	Amber: HP 3D DriveGuard has temporarily parked the
			hard drive.

Locating system information

Important system information is located on the bottom edge of the tablet or on the keyboard base. You may need the information when travelling internationally or when you contact support:

(1): Serial number

(2): Product number

(3): Model number

(4): Warranty period

16 Chapter 2 External component identi cation

Using Windows, brie y press the fn+esc key combination to display the System Information screen, which provides the product name and serial number of your computer, as well as information about the memory, processor, BIOS, and keyboard.

Locating system information 17

3Illustrated parts catalog

Computer major components

NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions.

NOTE: Details about your computer, including model, serial number, product key, and length of warranty, are on the service tag at the bottom of your computer. See Locating system information on page 16 for details.

Item	Component	Spare part number
(1)	Display assembly: Display assembly: Non-touch display assemblies are spared at the subcomponent level only. For more
	non-touch display assembly spare part information, see Display assembly subcomponents on page 21.
(2)	Keyboard (see Keyboard on page 46)
(3)	Top cover	821692-001

18 Chapter 3 Illustrated parts catalog

Item	Component	Spare part number
(4)	Hard drive hardware kit	821665-001
(5)	Hard drive (does not include hard drive connector cable or hard drive rubber bracket):
	1 TB, 5400 rpm, 7 mm	762990-001
	500 GB, 7200 rpm, 7 mm, FIPS	820572-001
	500 GB, 7200 rpm, 7 mm, Opal-2	820573-001
	500 GB, 7200 rpm, 7 mm	703267-001
	500 GB, 5400 rpm, 7 mm, hybrid, 8 GB cache	732000-001
(6)	Battery	800514-001
(7)	Memory modules
	4-GB (PC3-12800, 1600-MHz, DDR3L)	641369-001
	8-GB (PC3-12800, 1600-MHz, DDR3L)	670034-001
(8)	WLAN/Bluetooth combo card
	Realtek 802.11bgn solo-band 1x1 Wi-Fi Adapter + BT 4.0 combo adapter (not available in	792609-001
	Indonesia)
	Intel 7265NV 802.11ac 2x2 non-vPro Wi-Fi Adapter + BT 4.1 combo adapter (not available	793840-001
	in Indonesia)
	Broadcom 43228 dual-band 802.11abgn 2x2 Wi-Fi Adapter + BT 4.0 combo adapter (not	797884-001
	available in Indonesia)
	Broadcom 43228 dual-band 802.11abgn 2x2 Wi-Fi Adapter + BT 4.0 combo adapter	812132-001
	(Indonesia only)
(9)	WWAN module
	HP lt4120 LTE/EVDO/HSPA+ SnapdragonT X5 LTE Mobile Broadband Module	800870-001
	HP hs31110 HSPA + Intel Mobile Broadband Module	822828-001
(10)	Solid-state drive (SSD)
	512 GB, SATA-3 TLC	840635-001
	256 GB, PCIe 2x4	826639-001
	256 GB, SATA-3 self-encrypting drive	826641-001
	256 GB, SATA-3	826640-001
	240 GB, SATA-3	822220-001
	180 GB, SATA-3, self-encrypting drive	826637-001
	180 GB, SATA-3 MLC	826636-001
	128 GB, SATA-3 TLC	826635-001
(11)	Smart card reader board (includes cable)	821695-001
(12)	Touchpad button board
	Touchpad button board	821668-001
	Touchpad button board w/NFC antenna	821667-001

Computer major components 19

Item	Component	Spare part number
(13)	NFC module	821666-001
(14)	Fingerprint reader board (includes cable, bracket, and bezel)	821693-001
(15)	Heat sink/fan assembly	821691-001
(16)	System board (includes processor and replacement thermal material, see System board on page 49)
(17)	RTC battery	702853-001
(18)	Speaker assembly (includes cable)	821684-001
(19)	Bottom cover	821662-001

20 Chapter 3 Illustrated parts catalog