HP ProBook 640 G2, ProBook 645 G2, ProBook 650 G2, ProBook 655 G2 Maintenance and Service Guide

HP ProBook 640 G2 Notebook PC HP ProBook 645 G2 Notebook PC HP ProBook 650 G2 Notebook PC HP ProBook 655 G2 Notebook PC

Maintenance and Service Guide

© Copyright 2015 HP Development Company,

L.P.

AMD and AMD Litho Pro are trademarks of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel, Skylake, and Core are trademarks of Intel Corporation in the U.S. and other countries. Microsoft and Windows are registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.

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 8. This computer may require upgraded and/or separately purchased hardware, drivers and/or software to take full advantage of 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.

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 Sound+ is a trademark of DTS, Inc. © DTS, Inc. All Rights Reserved .

First Edition: December 2015

Document Part Number: 839485-001

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
Special function keys ........................................................................................................................	14
Using the hot keys .............................................................................................................................	15
Bottom .................................................................................................................................................................	17
Front .....................................................................................................................................................................	17
Rear ......................................................................................................................................................................	19
Locating system information ..............................................................................................................................	19
3 Illustrated parts catalog ..............................................................................................................................	21
Computer major components ..............................................................................................................................	21
Display assembly subcomponents ......................................................................................................................	27
Mass storage devices ...........................................................................................................................................	29
Miscellaneous parts .............................................................................................................................................	31
4 Removal and replacement procedures preliminary requirements ....................................................................	32
Tools required ......................................................................................................................................................	32
Service considerations .........................................................................................................................................	32
Plastic parts .......................................................................................................................................	32
Cables and connectors ......................................................................................................................	33
Drive handling ...................................................................................................................................	33
Grounding guidelines ...........................................................................................................................................	34
Electrostatic discharge damage ........................................................................................................	34
Packaging and transporting guidelines ..........................................................................	35
Workstation guidelines ...................................................................................................	35
Equipment guidelines .....................................................................................................	36

vii

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

viii

Using HP Sure Start (select products only) .........................................................................................................	92
8 Computer Setup (BIOS), TPM, and HP Sure Start in Windows 8.1 .......................................................................	93
Using Computer Setup .........................................................................................................................................	93
Starting Computer Setup ..................................................................................................................	93
Navigating and selecting in Computer Setup ...................................................................................	93
Restoring factory settings in Computer Setup .................................................................................	94
Updating the BIOS .............................................................................................................................	95
Determining the BIOS version .........................................................................................	95
Downloading a BIOS update ...........................................................................................	95
Changing the boot order using the f9 prompt ..................................................................................	96
TPM BIOS settings (select products only) ...........................................................................................................	96
Using HP Sure Start (select products only) .........................................................................................................	97
9 Computer Setup (BIOS), TPM, and HP Sure Start in Windows 7 .........................................................................	98
Using Computer Setup .........................................................................................................................................	98
Starting Computer Setup ..................................................................................................................	98
Navigating and selecting in Computer Setup ...................................................................................	98
Restoring factory settings in Computer Setup .................................................................................	99
Updating the BIOS ...........................................................................................................................	100
Determining the BIOS version ......................................................................................	100
Downloading a BIOS update .........................................................................................	100
Changing the boot order using the f9 prompt ................................................................................	101
TPM BIOS settings (select products only) .........................................................................................................	101
Using HP Sure Start (select products only) .......................................................................................................	102
10 Using HP PC Hardware Diagnostics (UEFI) ...................................................................................................	103
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device ..................................................................	103
11 Backup and recovery ................................................................................................................................	105
Creating recovery media and backups ..............................................................................................................	105
Creating HP Recovery media (select products only) .......................................................................	105
Using Windows tools .........................................................................................................................................	106
Restore and recovery .........................................................................................................................................	107
Recovering using HP Recovery Manager ........................................................................................	107
What you need to know before you get started ...........................................................	107
Using the HP Recovery partition (select products only) ..............................................	108
Using HP Recovery media to recover ............................................................................	108
Changing the computer boot order ..............................................................................	109
Removing the HP Recovery partition (select products only) .......................................	110

ix

12 Backup and recovery in Windows 8.1 .........................................................................................................		111
Backing up your information .............................................................................................................................		111
Performing a system recovery ..........................................................................................................................		111
Using the Windows recovery tools ..................................................................................................		111
Using f11 recovery tools .................................................................................................................		112
Using Windows operating system media (purchased separately) .................................................		113
Using Windows Refresh or Windows Reset ....................................................................................		113
Using HP Software Setup ................................................................................................................		113
13 Backup and recovery in Windows 7 ............................................................................................................		114
Creating recovery media and backups ..............................................................................................................		114
Guidelines ........................................................................................................................................		114
Creating recovery media with HP Recovery Disc Creator ...............................................................		114
	Creating recovery media ...............................................................................................	115
Backing up your information ..........................................................................................................		115
Performing a system recovery ..........................................................................................................................		116
Using the Windows recovery tools ..................................................................................................		116
Using f11 recovery tools (select products only) .............................................................................		117
Using Windows 7 operating system media .....................................................................................		117
14 pec c t ons ..........................................................................................................................................		119
Computer speci	cations ....................................................................................................................................	119
Hard drive speci	cations ...................................................................................................................................	120
Solid-state drive speci cations .........................................................................................................................		120
15 Power cord set requirements ....................................................................................................................		122
Requirements for all countries ..........................................................................................................................		122
Requirements for speci c countries and regions .............................................................................................		122
16 Statement of memory volatility ................................................................................................................		124
Nonvolatile memory usage ...............................................................................................................................		128
Questions and answers .....................................................................................................................................		130
Using HP Sure Start (select models only) ..........................................................................................................		131
17 Recycling ................................................................................................................................................		132
Index ...........................................................................................................................................................		133

x

1Product description

Category	Description
Product Name	HP 640 G2 Notebook PC
	HP 645 G2 Notebook PC
	HP 650 G2 Notebook PC
	HP 655 G2 Notebook PC
Processors	HP 640 and HP 650 products:
	Intel Skylake Core i3-6100U Dual Core 2.3GHz SoC BGA
	Intel Skylake Core i5-6200U Dual Core 2.3/2.8GHz SoC BGA
	Intel Skylake Core i5-6300U Dual Core 2.4/3.0GHz SoC BGA
	Intel Skylake Core i7-6600U Dual Core 2.6/3.4GHz SoC BGA
	HP 645 and HP 655 products:
	AMD Carrizo APU BGA ULV
	A6-Pro-8500B with Radeon R5 Graphics
	A8-Pro-8600B with Radeon R6 Graphics
	A10-Pro-8700B with Radeon R6 Graphics
Chipset	Intel Skylake Chipset—The chipset is integrated with the processor (PCH-
	LP).
	AMD Carrizo—The chipset is integrated with the processor.
Graphics	Intel UMA Graphics (GT2) with shared video memory
	AMD (128-bit) w/2 GB GDDR5 (128Mb x 32, 1.35V, 5Gbps, Qty 4)
	AMD Integrated UMA graphics
Panel	Anti-glare panels for 14” products:
	14.0" HD AG SVA 45% CG 220 nits eDP 1.2	at (1366x768)
	14.0" HD AG SVA 45% CG 220 nits eDP 1.2	at (1366x768) with camera
	14.0" HD AG SVA 45% CG 220 nits eDP 1.2	at (1366x768) with WWAN
	14.0" HD AG SVA 45% CG 220 nits eDP 1.2	at (1366x768) with camera and
	with WWAN
	14.0" FHD AG SVA 60% CG 300 nits eDP 1.3 + PSR slim		at (1920x1080)
	14.0" FHD AG SVA 60% CG 300 nits eDP 1.3 + PSR slim		at (1920x1080)
	with camera
	14.0" FHD AG SVA 60% CG 300 nits eDP 1.3 + PSR slim		at (1920x1080)
	with WWAN
	14.0" FHD AG SVA 60% CG 300 nits eDP 1.3 + PSR slim		at(1920x1080) with
	camera and WWAN

1

Category	Description
	14.0" FHD Slim eDP SVA 60% 300 nits (1920 x 1080) Touch with camera and
	with WWAN
	Anti-glare panels for 15" products with LED backlight:
	15.6" HD AG SVA 45% CG 220 nits eDP 1.2	at (1366x768)
	15.6" HD AG SVA 45% CG 220 nits eDP 1.2	at (1366x768) with camera
	15.6" HD AG SVA 45% CG 220 nits eDP 1.2	at (1366x768) with WWAN
	15.6" HD AG SVA 45% CG 220 nits eDP 1.2	at (1366x768) with camera and
	with WWAN
	15.6" FHD AG SVA 60% CG 300 nits eDP 1.3 + PSR slim		at (1920x1080)
	15.6" FHD AG SVA 60% CG 300 nits eDP 1.3 + PSR slim		at (1920x1080)
	with camera
	15.6" FHD AG SVA 60% CG 300 nits eDP 1.3 + PSR slim		at (1920x1080)
	with WWAN
	15.6" FHD AG SVA 60% CG 300 nits eDP 1.3 + PSR slim		at(1920x1080) with
	camera and WWAN
	14.0" FHD Slim eDP SVA 60% 300 nits (1920 x 1080) Touch with camera and
	with WWAN
Memory	DDR4 PC4-17000 (2133) SODIMMS Memory Module—Supports Dual
	Channel Memory up to 16 GB.
	4096 MB Total System Memory (4096 MB x 1)
	8192 MB Total System Memory (4096 MB x 2)
	8192 MB Total System Memory (8192 MB x 1)
	12288 MB Total System Memory (8192 MB + 4096 MB)
	16384 MB Total System Memory (8192 MB x 2)
Hard drive	Supports SATA3, 7mm, 2.5" HDDs:

HDD 1TB 5400RPM 7mm SATA

HDD 500GB 5400RPM 7mm Hybrid SATA 8GB NAND

HDD 500GB 7200RPM 7mm FIPS SATA 8GB Opal2

HDD 500GB 7200RPM 7mm SATA

HDD 500GB 7200RPM 7mm self-encrypting drive SATA Opal2

Solid-state drive SSD 128GB 2.5in SATA-3 TLC

SSD 128GB 2280 M2 SATA-3 TLC

SSD 180GB 2280 M2 SATA-3

SSD 180GB 2280 M2 SATA-3 self-encrypting drive Opal2

SSD 240GB 2280 M2 SATA-3

SSD 256GB 2.5in SATA-3 TLC

SSD 256GB 2280 M2 PCIe-3x4 SS

SSD 256GB 2280 M2 PCIe-3x4 SS NVMe

SSD 256GB 2280 M2 SATA-3 self-encrypting drive Opal2

SSD 256GB 2280 M2 SATA-3 TLC

2Chapter 1 Product description

Category	Description
	SSD 512GB 2280 M2 PCIe-3x4 DS
	SSD 512GB 2280 M2 PCIe-3x4 DS NVMe
	SSD 512GB 2280 M2 PCIe-3x4 SS NVMe
	SSD 512GB 2280 M2 SATA-3 self-encrypting drive Opal2
	SSD 512GB 2280 M2 SATA-3 TLC
Optical drive	SATA-3 7 mm 2.5	ed optical drives:
	DVD-ROM (defeatured combo)
	DVD+/-RW SuperMulti DL
	Blu-ray ROM DVD+/-RW SuperMulti DL
Audio and video	HD Audio with DTS Sound+
	Microphone (Dual Array) only for products without a webcam
	Microphone (Dual Array) only for products with a webcam
	Camera (720p)
	Stereo Speakers (2)
Ethernet	Intel I219LM (Jacksonville-LM) 10/100/1000 Ethernet, with iAMT
	Intel I219V (Jacksonville-V) 10/100/1000 Ethernet, no iAMT
Wireless LAN	WLAN Broadcom u	y 943228 abgn 2x2 + BT 4 LE PCIe+USB NGFF 2230
	MOW
	Broadcom Nami 43142 bgn 1x1 + BT 4 LE PCIe+USB NGFF 1630 MOW
	WLAN Intel 8260NGW M now eld Peak ac 2x2 + BT 4.1 LE PCIe+USB NGFF
	2230 WW
	WLAN Realtek Shanks RTL8188EE bgn 1x1 PCI-e NGFF 2230 M.2 WW (NB)
	WLAN 11AC 7265NV M.2 D0 MOW
	WLAN 11ac 2x2 INT 8260NGW SnfP2
	WLAN 11ac INT 3165 M.2 MOW
	WLAN 11 ABGN+BT4 x 2.2 LUFFY INDO
Wireless WAN (select products only)	WWAN Foxconn Amstel LTE/EVDO/HSPA+ w/GPS M.2
	WWAN T77W595 LTE M.2 w/GPS
	WWAN Huawei Wrangler MU736 HSPA+ w/GPS M.2
External media cards	SD Media Reader slot supports SD, SDHC, and SDXC.
Ports	VGA (Dsub 15 pin) supporting 1920 x 1200 external resolution @ 60Hz
	Hot Plug / Unplug and auto detect
	DisplayPort 1.2
	(1) USB Type C Charging Port
	(2) USB 3.0 Port (1 Charging)
	RJ-45 / Ethernet
	Docking connector

3

Category	Description
	Headphone / Microphone (Combo jack)
	AC Port (4.5mm)
Docking	Quest 2 dock support
Keyboard/pointing devices	HP Advanced Keyboard
	Touchpad, Spill-resistant with drain
	Touchpad, Spill-resistant with drain, DuraKeys and backlit
	Dual Point, Spill-resistant with drain, DuraKeys and backlit
Power requirements	Battery:
	3-cell HP Long Life Prismatic 48 WHr ( 4.21 Ahr ) Battery
	AC adapter:
	45 Watt Smart nPFC 3 pin RC 4.5mm connector - non slim
	45 Watt Smart nPFC 3 pin RC 4.5mm connector - non slim 2 prong
	65 Watt Smart nPFC 3 pin RC 4.5mm connector
	65 Watt Smart nPFC EM 4.5mm connector
	90 W PFC S-3P 4.5mm connector (select 15” products only)
	Power Cord (localized):
	2-wire plug - 1m
	3-wire plug - 1.8m
	3-wire plug - 1m
Security	Supports Security Lock
	TPM 1.2 ( n neon; soldered down)
	Fingerprint Reader (select products only)
	Integrated Smart Card Reader (Active)
	Preboot Authentication (Password, Smart Card)
Operating system	Operating System Version:
	●	Windows 7: SP1
	●	Windows 8.1: Update
	●	Windows 10: Threshold 2
	Preinstalled:
	●	Win 7 Pro 32
	●	Win 7 Pro 32 - MSNA
	●	Win 7 Pro 64
	●	Win 8.1 CH 64 ( CPPP )
	●	Win 8.1 Core for Higher Education ML 64
	●	Win 8.1 EM 64
	●	Win 8.1 EM 64

4Chapter 1 Product description

Category	Description
	● Win 8.1 64 High-End Emerging Markets
	● Win 8.1 64 High-End Multi-Language
	● Win 8.1 PRO 64
	● Win 10 Home 64
	● Win 10 Home 64 Single Language
	● Win 10 Home 64 CPPP
	● Win 10 Home 64 High-end
	● Win 10 Home 64 High-end Single Language
	● Win 10 Pro 64
	● Win 10 Pro 64 Downgrade Win 7 32
	● Win 10 Pro 64 Downgrade Win 7 64
	● FreeDOS 2.0
	● NeoKylin Linux 64 bit
Serviceability	End user replaceable parts:
	Memory
	Optical Drive
	Hard Drive
	Solid-state Drive
	Battery
	AC adapter
	Fan/Heat sink assembly
	Speaker
	WWAN (select products only)
	WLAN

5

2 External component dent c t on

Right

Component		Description
(1)	Dual-Mode DisplayPort	Connects an optional digital display device, such as a high-
		performance monitor or projector.
(2)	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 .
(3)	SIM card slot (select products only)	Supports a wireless subscriber identity module (SIM) card.
(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.

6 Chapter 2 External component identi cation

Component	Description
	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:
	1.	Type support in the taskbar search box, and then select
		the HP Support Assistant app.
		– or –
		Click the question mark icon in the taskbar.
	2.	Select My PC, select the pec c t ons tab, and then
		select User Guides.

		NOTE: When a device is connected to the jack, the computer
		speakers are disabled.
(5)	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.
(6)	Memory card reader	Reads optional memory cards that store, manage, share, or
		access information.
(7)	USB 3.0 port	Connects an optional USB device, such as a keyboard, mouse,
		external drive, printer, scanner or USB hub.
(8)	RJ-45 (network) jack/status lights	Connects a network cable.
		●	Green (left): The network is connected.
		●	Amber (right): Activity is occurring on the network.
(9)	Docking port	Connects an optional docking device.
(10)	Power connector	Connects an AC adapter.

Right 7

Left

NOTE: Refer to the illustration that most closely matches your computer.

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)	Vent	Enables 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)	Optical drive (select products only)	Depending on your computer model, reads an optical disc or
		reads and writes to an optical disc.
(4)	Optical drive light	Green: The optical drive is in use.
		: The optical drive is o .
(5)	Optical drive eject button	Releases the optical drive disc tray.
(6)	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 (select products only)	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.

(6)Near Field Communication (NFC) tapping area* (select products only)

Tap another NFC-enabled device to the NFC tapping area to transfer les.

*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:

1.Type support in the taskbar search box, and then select the HP Support Assistant app.

– or –

Click the question mark icon in the taskbar.

Display 9

Component	Description
2. Select My PC, select the pec	c t ons tab, and then select User Guides.

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 light	●	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)	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.
(2)	Microphone mute light	●	Amber: microphone sound is o .
		●	: microphone sound is on.
(3)	Num lock light	On: Num lock is on.
(4)	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 .
(5)	Mute light	●	Amber: Computer sound is o .
		●	: Computer sound is on.
(6)	Caps lock light	On: Caps lock is on, which switches the key input to all capital
		letters.

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 5 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)	Wireless button	Turns the wireless feature on or o but does not establish a
		wireless connection.

12 Chapter 2 External component identi cation

Component		Description
		A wireless network must be set up before a wireless connection is
		possible.
(4)	Volume mute button (select products only)	Mutes and restores speaker sound.
(5)	Fingerprint reader (select products only)	Allows a ngerprint logon to Windows, instead of a password
		logon.

Top 13

Special function keys

NOTE: Refer to the illustration that most closely matches your computer.

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, the esc key,
		or the fn+b.
		See Using the hot keys on page 15
(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)	Windows application key	Displays options for a selected object.
(6)	num lock key	Turns the embedded numeric keypad on and o .

14 Chapter 2 External component identi cation

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, the esc key,
		or the fn+b.
		See Using the hot keys on page 15
(3)	Windows key	Opens the Start menu.
		NOTE: Pressing the Windows key again will close the Start
		menu.
(4)	num lock key	Turns the embedded numeric keypad on and o .
(5)	Integrated numeric keypad	A separate keypad to the right of the alphabet keyboard that
		enables you to add, subtract, and perform other numeric tasks.
		When num lock is on, the integrated keypad can be used like an
		external numeric keypad.

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 keyboard backlight o or on.

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

Top 15

Press fn+function key Description

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.

Decreases speaker volume incrementally while you hold down the key.

Increases speaker volume incrementally while you hold down the key.

Mutes the microphone.

16 Chapter 2 External component identi cation

Bottom

Component		Description
(1)	Docking station support holes	Support an optional docking station.
(2)	Vent	Enables 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 17

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.

18 Chapter 2 External component identi cation

Rear

Component		Description
(1)	External monitor port	Connects an external VGA monitor or projector.

(2)	Serial port (select products only)

Connects an optional device such as a serial modem, mouse, or printer.

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

Rear 19

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.

20 Chapter 2 External component identi cation