HP ProBook 440 G5 Maintenance and Service Guide

HP ProBook 440 G5 Notebook PC

Maintenance and Service Guide

© Copyright 2017 HP Development Company,

L.P.

AMD is a trademark 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 trademarks of the Microsoft group of companies.

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: September 2017

Document Part Number: 941279-001

Product notice

This user 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. This computer may require upgraded and/or separately purchased hardware, drivers and/or software to take full advantage of Windows functionality. Go to http://www.microsoft.com for details.

Your product does not support Windows 8 or Windows 7

In accordance with Microsoft’s support policy, HP does not support the Windows 8 or Windows 7 operating system on this product or provide any Windows 8 or Windows 7 drivers on http://support.hp.com.

Software terms

By installing, copying, downloading, or otherwise using any software product preinstalled on this computer, you agree to be bound by the terms of the HP End User License Agreement (EULA). If you do not accept these license terms, your sole remedy is to return the entire unused product (hardware and software) within 14 days for a full refund subject to the refund policy of your seller.

For any further information or to request a full refund of the price of the computer, please contact your seller.

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 computer, do not place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, flat 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 airflow. 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 computer 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 Components ..................................................................................................................................................	6
Right .......................................................................................................................................................................	6
Left .........................................................................................................................................................................	7
Display ....................................................................................................................................................................	9
Keyboard area ......................................................................................................................................................	10
TouchPad ...........................................................................................................................................	10
Lights .................................................................................................................................................	11
Buttons, speakers, and ngerprint reader ........................................................................................	12
Special keys .......................................................................................................................................	13
Action keys ........................................................................................................................................	14
Bottom .................................................................................................................................................................	15
Labels ...................................................................................................................................................................	16
Inserting a SIM card (select products only) .........................................................................................................	17
3 Illustrated parts catalog ..............................................................................................................................	18
Computer major components ..............................................................................................................................	18
Display components ............................................................................................................................................	21
Cable Kit ...............................................................................................................................................................	22
Plastics Kit ...........................................................................................................................................................	23
Bracket 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
Battery Safe mode ............................................................................................................................	32
Service doors .....................................................................................................................................	33
Memory modules ...............................................................................................................................	35
WLAN/Bluetooth combo card ............................................................................................................	37
WWAN module ...................................................................................................................................	39
Hard drive ..........................................................................................................................................	41
M.2 solid-state drive .........................................................................................................................	43
Keyboard ...........................................................................................................................................	44
6 Removal and replacement procedures for Authorized Service Provider parts ...................................................	47
Component replacement procedures ..................................................................................................................	47
Top cover ...........................................................................................................................................	48
Fingerprint reader assembly .............................................................................................................	51
Power button board ..........................................................................................................................	53
Speaker assembly .............................................................................................................................	55
TouchPad assembly ...........................................................................................................................	57
Card reader board ..............................................................................................................................	59
Fan .....................................................................................................................................................	60
Hard drive cable .................................................................................................................................	62
RTC battery ........................................................................................................................................	63
Battery ...............................................................................................................................................	64
USB board ..........................................................................................................................................	65
System board ....................................................................................................................................	67
Heat sink assembly ...........................................................................................................................	70
Display assembly – non-touch ..........................................................................................................	73
Power cable .......................................................................................................................................	80
7 Computer Setup (BIOS), TPM, and HP Sure Start .............................................................................................	81
Using Computer Setup .........................................................................................................................................	81
Starting Computer Setup ..................................................................................................................	81
Using a USB keyboard or USB mouse to start Computer Setup (BIOS) ..........................	81
Navigating and selecting in Computer Setup ...................................................................................	81
Restoring factory settings in Computer Setup .................................................................................	82
Updating the BIOS .............................................................................................................................	82
Determining the BIOS version .........................................................................................	82
Downloading a BIOS update ...........................................................................................	83
Changing the boot order using the f9 prompt ..................................................................................	84
TPM BIOS settings (select products only) ...........................................................................................................	84

viii

Using HP Sure Start (select products only) .........................................................................................................	84
8 Using HP PC Hardware Diagnostics (UEFI) .......................................................................................................	85
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device ....................................................................	85
Using Remote HP PC Hardware Diagnostics (UEFI) settings (select products only) ...........................................	86
Customizing Remote HP PC Hardware Diagnostics (UEFI) settings .................................................	86
9 Backing up, restoring, and recovering ...........................................................................................................	87
Creating recovery media and backups ................................................................................................................	87
Creating HP Recovery media (select products only) .........................................................................	87
Using Windows tools ...........................................................................................................................................	88
Restore and recovery ...........................................................................................................................................	89
Recovering using HP Recovery Manager ...........................................................................................	89
What you need to know before you get started .............................................................	89
Using the HP Recovery partition (select products only) .................................................	90
Using HP Recovery media to recover ..............................................................................	90
Changing the computer boot order ................................................................................	91
Removing the HP Recovery partition (select products only) .........................................	91
10 pec c t ons ............................................................................................................................................	92
Computer speci cations ......................................................................................................................................	92
35.6-cm (14.0-in) display speci cations .............................................................................................................	93
Hard drive speci cations .....................................................................................................................................	94
Solid-state drive speci cations ...........................................................................................................................	95
11 Statement of memory volatility ..................................................................................................................	96
Nonvolatile memory usage .................................................................................................................................	98
Questions and answers .....................................................................................................................................	100
Using HP Sure Start (select models only) ..........................................................................................................	101
12 Power cord set requirements ....................................................................................................................	102
Requirements for all countries and regions ......................................................................................................	102
Requirements for speci c countries and regions .............................................................................................	102
13 Recycling ................................................................................................................................................	104
Index ...........................................................................................................................................................	105

ix

x

1Product description

Category	Description
Product Name	HP ProBook 440 G5 Notebook PC
Processors	8th generation, Intel® Core™ i7 processor, quad core (8-MB L3 cache, 15 W)
	i7-8550U, 1.8 GHz/3.7 GHz quad core turbo; Intel UHD Graphics 620
	8th generation, Intel Core i5 processors, quad core (6-MB L3 cache, 15 W)
	i5-8350U, 1.7 GHz/3.6 GHz quad core turbo; Intel UHD Graphics 620
	i5-8250U, 1.6 GHz/3.4 GHz quad core turbo; Intel UHD Graphics 620
	7th generation, Intel Core i5 processors, dual core (3-MB L3 cache, 15 W)
	i5-7200U, 2.5-GHz/3.1-GHz single core turbo; Intel HD Graphics 620
	7th generation, Intel Core i3 processor, dual core (3-MB L3 cache, 15 W)
	i3-7100U, 2.4-GHz; Intel HD Graphics 620
	6th generation, Intel Core i3 processor, dual core (3-MB L3 cache, 15 W)
	i3-6006U, 2.0-GHz; Intel HD Graphics 520
	Intel Celeron dual core processor (2-MB L3 cache, 15 W)
	3865U, 1.8-GHz; Intel HD Graphics
Graphics	Supports HD decode, DX12, HDMI 1.4b, HDCP 2.2 via HDMI up to 4K@30Hz, DP support 4K@60Hz on 7th/8th
	Generation Celeron, i3, i5, and i7 processors
	Integrated UMA Graphics GT1 and GT2
	Integrated with shared video memory; dynamically allocated
Panel	35.6 cm (14.0-inch), LED backlight, 16:9 aspect ratio, SVA, HD (1366x768), 220 nits, eDP, slim (3.0 mm)
	1 or 2 WLAN antennas, anti-glare (UMA only; not available with camera)
	Camera, 1 or 2 WLAN antennas, anti-glare (only available with camera)
	Camera, 2 WLAN antennas, WWAN, anti-glare (UMA only; only available with camera)
	Touch panel, IR camera, 1 or 2 WLAN antennas (only available with camera)
	35.6 cm (14.0-inch), LED backlight, 16:9 aspect ratio, anti-glare, UWVA, FHD (1920x1080), 220 nits; eDP,
	IPS, slim (3.0 mm)
	1 or 2 WLAN antennas (UMA only; not available with camera)
	Camera, 1 or 2 WLAN antennas (only available with camera)
Memory	Two customer-accessible memory module slots supporting up to 32 GB of RAM
	Supports dual-channel memory
	PC4, 2133-MHz, DDR4 SODIMMs (models with 8th generation Intel Core processors run at 2400 MHz)
	Supports the following con gurations:

1

	Category	Description
		●	32768 MB (16384 × 2; dual channel)
		●	16384 MB (16384 × 1)
		●	16384 MB (8192 × 2; dual channel)
		●	12288 MB (8192 + 4096; dual channel)
		●	8192 MB (8192 × 1)
		●	8192 MB (4096 × 2; dual channel)
		●	4096 MB (4096 × 1)
		For use in Brazil:
		●	16384 MB (8192 × 2; dual channel)
		●	8192 MB (8192 × 1)
		●	8192 MB (4096 × 2; dual channel)
		●	4096 MB (4096 × 1)
	Primary storage	Supports hard drives with HP 3D DriveGuard
		Primary storage not required if primary M.2 storage selected
		Supports the following SATA, 7 mm, 2.5 inch hard drives:
		●	1-TB, 5400-rpm
		●	500-GB, 7200-rpm
		●	500-GB, hybrid (8-GB SSD)
	Primary M.2	M.2 2280 SSD (NGFF)
	storage
		●	512 GB, PCIe, NVMe, TLC (not available with Celeron)
		●	256 GB, PCIe, NVMe, value (not available with Celeron)
		●	128 GB, SATA, TLC
	Audio/Visual	Audio controls
		Integrated mono microphone (non-camera models only)
		Integrated dual-array microphone (camera models only)
		Integrated camera (720p HD) (supports Wide Dynamic Range [WDR])
		IR camera (720p HD) (supports WDR)
		Stereo speakers (2)
		Headphone/microphone combo jack
	Ethernet	Realtek RTL8111HSH 10/100/1000
		S3/S4/S5 wake on LAN (AC mode and battery mode)
	Wireless	Integrated WLAN options by way of wireless module (select models only)
		WLAN antennas built into top of display assembly
		Supports HP Connection Optimizer with wiload balancing

2Chapter 1 Product description

	Category	Description
		Supports the following wireless adapters via minicard connector:
		●	Realtek RTL8822BE 802.11AC 2x2 Wi-Fi + BT 4.2 Combo Adapter
		●	Realtek RTL8821CE 802.11AC 1x1 Wi-Fi + BT 4.2 Combo Adapter
		●	Intel Dual Band Wireless-AC 3168 802.11ac, Dual Band, 1×1 Wi-Fi + Bluetooth 4.2
		●	Intel Dual Band Wireless-AC 8265, 802.11ac, 2×2 Wi-Fi + Bluetooth 4.2 combination adapter (non-vPro)
		Wireless Personal Area Network (PAN) Bluetooth
		Bluetooth 4.2 supported using combo card
		Integrated WWAN options by way of wireless module (select models only)
		SIM module: Micro SIM/3FF (user accessible under service door)
		Supports the following WWAN options using connector:
		●	Huawei HP It4132, LTE/HSPA+ w/GPS M.2
		●	Fibocom CAT9: Foxconn lt4210 LTE/HSPA+ w/GPS
		WWAN antennas (2), worldwide, 5 band, con gured at top of panel
		Supports “No WWAN” option
	External media	Digital Media Reader Slot
	card
		Supports SD, SDHC, SDXC
	Ports (Input/	VGA (Dsub 15-pin) supporting:
	output)
		●	2048×1536 external resolution at 60-GHz
		●	Hot plug/unplug and auto detect
		●	HDMI 1.4b
		USB 3.0 + powered port (left)
		USB 3.0 (right)
		USB Type-C (PD+DP, gen 1)
		Headphone/microphone combo jack
		RJ-45 (Ethernet, includes link and activity lights)
		Multi-pin AC port
	Docking	Docking via USB Type-C
	Keyboard/pointing	Keyboard

devices

HP Premium Keyboard

TouchPad

Full-sized, chiclet, spill-resistant keyboard (backlit or not backlit)

TouchPad requirements

Windows 10 gestures: taps enabled by default: on/o control by driver, 2- nger scrolling and zoom enabled by default, OSD (enable/disable), 3- nger tap - Cortana, 3- nger flick - App switch, 4- nger tap - Action Center

3

	Category	Description
	Power	Battery
	requirements
		3-cell prismatic, 48-Wh, long-life, Li-ion battery
		AC adapters
		65-W Smart AC adapter, right angle, 4.5 mm (discrete only)
		65-W Smart AC adapter, right angle, 4.5 mm – EM (discrete only)
		45-W Smart AC adapter, right angle, 4.5 mm (UMA only)
		45-W Smart AC adapter, right angle, 4.5 mm (UMA only) – Argentina
		45-W Smart AC adapter, right angle, 2-prong, 4.5 mm (Japan only) (UMA only)
		Power cords
		3-wire plug - 1.8 m
		3-wire plug - 1.0 m
		2-wire plug - 1.0 m
	Security	Security lock
		Integrated ngerprint reader (select models only)
		TPM 2.0 SLB9670	n neon; soldered down)
		Hardware enforced	rmware protection: HP Hardware Root of Trust
		ANSSI Certi ed Hardware Root of Trust: Yes
		Hardware enforced software protection: No
		Firmware based operating system recovery: No
	Operating system	Operating system version
		Windows 10
		Preinstalled
		Windows 10 Home 64
		Windows 10 Home 64 – Plus
		Windows 10 Home 64 Single Language
		Windows 10 Home 64 Single Language – Plus
		Windows 10 Home 64 Chinese Market - CPPP
		Windows 10 Home 64 Chinese Market - CPPP - Plus
		Windows 10 Home 64 StF MSNA for Higher Education
		Windows 10 Home 64 StF MSNA for Higher Education - Strategic
		Windows 10 Professional 64
		Windows 10 Professional StF MSNA
		Windows 10 Professional StF MSNA EM
		Windows 10 Professional 64 StF MSNA - Standard

4Chapter 1 Product description

Category	Description
	Windows 10 Professional 64 StF MSNA - Plus
	Windows 10 Professional StF MSNA - Strategic
	FreeDOS 2.0
	Restore Media (DRDVD/SRDVD)
	DRDVD Windows 10
	Restore Media (OSDVD)
	Windows 10 Professional 64
	ert ed
	Microsoft WHQL
	Web-only support
	Windows 10 Enterprise
	Windows 10 Enterprise 64 LTSB 1607
Serviceability	End-user replaceable parts
	AC adapter
	M.2 solid-state drive
	Hard drive
	Memory module
	WLAN module
	WWAN module
	WWAN SIM card
	Keyboard

5

2Components

Your computer features top-rated components. This chapter provides details about your components, where they're located, and how they work.

Right

Component		Description
(1)	USB Type-C power connector port,	Connects an AC adapter that has a USB Type-C connector, supplying power
	SuperSpeed port, and DisplayPort	to the computer and, if needed, charging the computer battery.
		– and –
		Connects a USB device that has a Type-C connector, such as a cell phone,
		camera, activity tracker, or smartwatch, and provides high-speed data
		transfer.
		– and –
		Connects a display device that has a USB Type-C connector, providing
		DisplayPort output.
		NOTE: Cables and/or adapters (purchased separately) may be required.
(2)	USB 3.x SuperSpeed port	Connects a USB device, such as a cell phone, camera, activity tracker, or
		smartwatch, and provides high-speed data transfer.
(3)	HDMI port	Connects an optional video or audio device, such as a high-de nition
		television, any compatible digital or audio component, or a high-speed
		High De nition Multimedia Interface (HDMI) device.
(4)	External monitor port	Connects an external VGA monitor or projector.
(5)	RJ-45 (network) jack/status lights	Connects a network cable.
		●	Green (right): The network is connected.
		●	Amber (left): Activity is occurring on the network.
(6)	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.

6Chapter 2 Components

Component		Description
		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.
(7)	Power connector	Connects an AC adapter.

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)	Vent	Enables airflow 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)	USB 3.x SuperSpeed powered port	Connects a USB device, such as a cell phone, camera, activity tracker,
		optical drive, or smartwatch, and provides high-speed data transfer.
(4)	Audio-out (headphone)/Audio-in	Connects optional powered stereo speakers, headphones, earbuds, a
	(microphone) combo jack	headset, or a television audio cable. Also connects an optional headset
		microphone. This jack does not support optional standalone microphones.
		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.

Left 7

Component		Description
		NOTE: When a device is connected to the jack, the computer speakers
		are disabled.
(5)	Memory card reader	Reads optional memory cards that store, manage, share, or access
		information.
		To insert a card:
		1.	Hold the card label-side up, with the connectors facing the computer.
		2.	Insert the card into the memory card reader, and then press in on the
			card until it is rmly seated.

To remove a card:

▲Press in on the card, and then remove it from the memory card reader.

(6)

Drive light

●

Blinking white: The hard drive is being accessed.

●Amber: HP 3D DriveGuard has temporarily parked the hard drive.

8Chapter 2 Components

Display

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

Component		Description
(1)	WLAN antennas* (select products only)	Send and receive wireless signals to communicate with wireless local area
		networks (WLANs).
(2)	WWAN antennas* (select products only)	Send and receive wireless signals to communicate with wireless wide area
		networks (WWANs).
(3)	Camera(s) (select products only)	Allow you to video chat, record video, and record still images. Some
		cameras also allow a facial recognition logon to Windows, instead of a
		password logon.
		NOTE: Camera functions vary depending on the camera hardware and
		software installed on your product.
(4)	Internal microphones (1 or 2 depending on	Record sound.
	model)
(5)	Camera light (select products only)	On: One or more cameras are in use.

*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.

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

Display 9

Keyboard area

TouchPad

Component		Description
(1)	TouchPad zone	Reads your nger gestures to move the pointer or activate items on the screen.
(2)	Left TouchPad button	Functions like the left button on an external mouse.
(3)	Right TouchPad button	Functions like the right button on an external mouse.

10 Chapter 2 Components

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)	Caps lock light	On: Caps lock is on, which switches the key input to all capital letters.
(3)	Fn lock light	On: The fn key is locked.
(4)	Mute light	●	Amber: Computer sound is o .
		●	: Computer sound is on.
(5)	Microphone mute light	●	Amber: Microphone is o .
		●	: Microphone is on.
(6)	Num lk light	On: Num lock is on.
(7)	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 .

Keyboard area 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 briefly to initiate Sleep.
		●	When the computer is in the Sleep state, press the button briefly to exit Sleep.
		●	When the computer is in Hibernation, press the button briefly 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.

		▲
		Right-click the Power meter icon	and then select Power Options.
(2)	Speakers (2)	Produce sound.
(3)	Fingerprint reader (select	Allows a ngerprint logon to Windows, instead of a password logon.
	products only)

12 Chapter 2 Components

Special 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
		another key. Such key combinations are called hot keys.
(3)	Windows key	Opens the Start menu.
		NOTE: Pressing the Windows key again will close the Start menu.
(4)	Action keys	Execute frequently used system functions.
		See Action keys on page 14.
(5)	Embedded numeric keypad	A numeric keypad superimposed over the keyboard alphabet keys. When fn+num lk
		is pressed, the keypad can be used like an external numeric keypad. Each key on the
		keypad performs the function indicated by the icon in the upper-right corner of the
		key.
		NOTE: If the keypad function is active when the computer is turned o , that
		function is reinstated when the computer is turned back on.
(6)	Windows application key	Displays options for a selected object.
(7)	num lk key	Turns the embedded numeric keypad on and o when pressed in combination with

the fn key.

– or –

Alternates between the navigational and numeric functions on the integrated numeric keypad.

Keyboard area 13

Action keys

An action key performs the function indicated by the icon on the key. To determine which keys are on your product, see Special keys on page 13.

▲To use an action key, press and hold the key.

Icon	Description
	Switches the screen image among display devices connected to the system. For example, if a monitor is
	connected to the computer, repeatedly pressing the key alternates the screen image from computer display
	to monitor display to simultaneous display on both the computer and monitor.
	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 keyboard backlight o or on.
	NOTE: To conserve battery power, turn o this feature.
	Turns the wireless feature on or o .
	NOTE: A wireless network must be set up before a wireless connection is possible.
	Initiates Sleep, which saves your information in system memory. The display and other system components
	turn o and power is conserved. To exit Sleep, briefly press the power button.
	CAUTION: To reduce the risk of information loss, save your work before initiating Sleep.

NOTE: The action key feature is enabled at the factory. You can disable this feature by pressing and holding the fn key and the left shift key. The fn lock light will turn on. After you have disabled the action key feature, you can still perform each function by pressing the fn key in combination with the appropriate action key.

14 Chapter 2 Components

Bottom

Component		Description
(1)	Service doors (2)	Provide access to the hard drive bay, the WLAN module slot, the WWAN module slot,
		the SIM card slot, and the memory module slots.
		CAUTION: To prevent an unresponsive system, replace the wireless module only
		with a wireless module authorized for use in the computer by the governmental
		agency that regulates wireless devices in your country or region. If you replace the
		module and then receive a warning message, remove the module to restore
		computer functionality, and then contact support.
		▲ 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)	SIM card slot	Supports a wireless subscriber identity module (SIM) card. The SIM card slot is
	(select products	located under the service door.
	only)
(3)	Vents	Enable airflow 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.

Bottom 15

Labels

The labels affixed to the computer provide information you may need when you troubleshoot system problems or travel internationally with the computer.

IMPORTANT: Check the following locations for the labels described in this section: the bottom of the computer, the bottom of a tablet kickstand, inside the battery bay, under the service door, or on the back of the display.

●Service label—Provides important information to identify your computer. When contacting support, you will probably be asked for the serial number, and possibly for the product number or the model number. Locate these numbers before you contact support.

Your service label will resemble one of the examples shown below. Refer to the illustration that most closely matches the service label on your computer.

Component

(1)Serial number

(2)Product number

(3)Warranty period

(4)Model number (select products only)

Component

(1)Model name (select products only)

(2)Serial number

(3)Product number

(4)Warranty period

●Regulatory label(s)—Provide(s) regulatory information about the computer.

●Wireless certi cation label(s)—Provide(s) information about optional wireless devices and the approval markings for the countries or regions in which the devices have been approved for use.

16 Chapter 2 Components

Inserting a SIM card (select products only)

CAUTION: To prevent damage to the connectors, use minimal force when inserting a SIM card.

To insert a SIM card, follow these steps:

1.Turn o the computer by using the Shut down command.

2.Close the display.

3.Disconnect all external devices connected to the computer.

4.Unplug the power cord from the AC outlet.

5.Turn the computer upside down on a flat surface.

6.Remove the service door.

7.Open the SIM locking hinged connector.

8.Gently press the SIM card (1) into the connector, and then rotate the hinge (2) down to secure the SIM card.

NOTE: The SIM card in your computer may look slightly di erent from the illustration in this section.

NOTE: See the image in the service bay to determine which way the SIM card should be inserted into your computer.

To remove a SIM card, rotate the SIM connector hinge upward, and then remove the SIM card from the connector.

Inserting a SIM card (select products only) 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 Labels on page 16 for details.

18 Chapter 3 Illustrated parts catalog

Item	Description		Spare part number
(1)	Display panel assembly, touch screen		L01102-001
	NOTE:	Touch displays are spared only as whole assemblies.
	NOTE:	Non-touch displays are spared only at the subcomponent level. Non-touch assemblies are

not spared as whole units.

(2)Keyboard (includes cable)

NOTE: For a detailed list of keyboard country codes, see Keyboard on page 44.

	No backlight	L01072-xxx
	Backlit	L01071-xxx
(3)	Power button board	L01044-001
(4)	Top cover	L01089-001
(5)	TouchPad	L01056-001
(6)	Speaker assembly	L01087-001
(7)	Fingerprint reader assembly (includes cable)	L01091-001
(8)	Card reader board	L01045-001
(9)	Battery, Li-ion (4-cell, 48 WHr, 4.21 Ah)	851610-855
(10)	USB board	L01043-001
(11)	Fan	L01088-001
(12)	RTC battery	746439-001

(13)System board (includes replacement thermal material) All system boards use the following part numbers: xxxxxx-001: Non-Windows operating system xxxxxx-601: Windows 10 operating system

Models with UMA graphics:

●	Intel Core i7-8550U processor	L01042-xxx
●	Intel Core i5-8350U processor	L01041-xxx
●	Intel Core i5-8250U processor (WWAN models)	L01040-xxx
●	Intel Core i5-8250U processor	L01039-xxx
●	Intel Core i5-7200U processor	L06797-xxx
●	Intel Core i3-7100U processor (WWAN models)	L01038-xxx
●	Intel Core i3-7100U processor	L01037-xxx
●	Intel Core i3-6006U processor	L01036-xxx
●	Intel Celeron 3865U processor	L01035-xxx
Models with 2 GB of discrete graphics:
●	Intel Core i7-8550U processor	L01081-xxx
●	Intel Core i5-8350U processor	L01080-xxx

Computer major components 19

Item	Description		Spare part number
	●	Intel Core i5-8250U processor	L01079-xxx
	●	Intel Core i5-7200U processor	L06798-xxx
	●	Intel Core i3-7100U processor	L01078-xxx
	Heat sink assembly (includes replacement thermal material)
(14)	Models with discrete graphics		L01086-001
(15)	Models with UMA graphics		L01085-001
(16)	Power connector cable		L07857-001
(17)	Base enclosure		L01090-001

(18)Memory modules (DDR4-2400)

16-GB	865396-850
8-GB	862398-850
4-GB	862397-850

(19)WLAN module

	Intel Dual Band Wireless-AC 3168 802.11ac, 1×1 Wi-Fi + Bluetooth 4.0 combination adapter	852511-001
	Intel Dual Band Wireless-AC 8265, 802.11ac, 2×2 Wi-Fi + Bluetooth 4.2 combination adapter	851594-001
	Realtek RTL8822BE 802.11AC 2x2 Wi-Fi + Bluetooth 4.2 combination adapter	915623-001
(20)	WWAN module (Huawei HP It4132, LTE/HSPA+ w/GPS M.2)	845710-001

(21)M.2 solid-state drive

512-GB, Turbo Drive	L01101-001
256-GB, PCIe	L01100-001
128-GB, SATA-3	L01099-001

(22)Hard drive

	1 TB, 5400 rpm, 7 mm	832077-001
	500 GB, 5400 rpm, 7 mm, hybrid (8-GB SSD)	732000-001
	500 GB, 7200 rpm, 7 mm	703267-001
(23)	Hard drive cover	L01083-001
	NOTE: The hard drive cover is included in the Hard Drive Hardware Kit.
(24)	Drive service door	L01083-001
	NOTE: The drive service door is included in the Hard Drive Hardware Kit.
(25)	Main service door	L01084-001
	NOTE: The main service door is included in the Plastics Kit.

20 Chapter 3 Illustrated parts catalog