HP ProBook x360 440 G1 Maintenance And Service Manual
HP ProBook x360 440 G1 Notebook PC
Maintenance and Service Guide
© Copyright 2018 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: June 2018
Document Part Number: L25622-001
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.
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, 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 airow. 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 dened 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
Speakers and ngerprint reader ....................................................................................................... 12
Special keys ....................................................................................................................................... 13
Action keys ........................................................................................................................................ 14
Bottom ................................................................................................................................................................. 15
Labels ................................................................................................................................................................... 16
3 Illustrated parts catalog .............................................................................................................................. 18
Computer major components .............................................................................................................................. 18
Display components ............................................................................................................................................ 21
Cable Kit ............................................................................................................................................................... 22
Display Cable Kit .................................................................................................................................................. 23
Display Rubber Kit ............................................................................................................................................... 24
Plastics Kit ........................................................................................................................................................... 25
Bracket Kit ............................................................................................................................................................ 25
Miscellaneous parts ............................................................................................................................................. 26
4 Removal and replacement procedures preliminary requirements .................................................................... 27
Tools required ...................................................................................................................................................... 27
Service considerations ......................................................................................................................................... 27
Plastic parts ....................................................................................................................................... 27
Cables and connectors ...................................................................................................................... 27
Drive handling ................................................................................................................................... 28
Electrostatic discharge damage ........................................................................................................ 28
Packaging and transporting guidelines ............................................................................................ 29
Workstation guidelines ..................................................................................................................... 29
Equipment guidelines ....................................................................................................................... 30
vii
5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 31
Component replacement procedures .................................................................................................................. 31
Battery Safe mode ............................................................................................................................ 31
Service doors ..................................................................................................................................... 32
Memory modules ............................................................................................................................... 33
WLAN/Bluetooth combo card ............................................................................................................ 35
WWAN module ................................................................................................................................... 37
M.2 solid-state drive ......................................................................................................................... 39
Keyboard ........................................................................................................................................... 40
6 Removal and replacement procedures for Authorized Service Provider parts ................................................... 43
Component replacement procedures .................................................................................................................. 43
Display subcomponents (panel, cameras, touch control board) ...................................................... 43
Top cover ........................................................................................................................................... 47
TouchPad assembly ........................................................................................................................... 49
Fingerprint reader assembly ............................................................................................................. 50
Battery ............................................................................................................................................... 52
I/O board ............................................................................................................................................ 53
RTC battery ........................................................................................................................................ 54
System board .................................................................................................................................... 55
Fan/heat sink assembly .................................................................................................................... 58
Speaker assembly ............................................................................................................................. 61
Display assembly ............................................................................................................................... 62
Power button board .......................................................................................................................... 77
Power connector cable ...................................................................................................................... 79
7 Computer Setup (BIOS), TPM, and HP Sure Start ............................................................................................. 80
Using Computer Setup ......................................................................................................................................... 80
Starting Computer Setup .................................................................................................................. 80
Using a USB keyboard or USB mouse to start Computer Setup (BIOS) .......................... 80
Navigating and selecting in Computer Setup ................................................................................... 80
Restoring factory settings in Computer Setup ................................................................................. 81
Updating the BIOS ............................................................................................................................. 81
Determining the BIOS version ......................................................................................... 81
Downloading a BIOS update ........................................................................................... 82
Changing the boot order using the f9 prompt .................................................................................. 83
TPM BIOS settings (select products only) ........................................................................................................... 83
Using HP Sure Start (select products only) ......................................................................................................... 83
viii
8 Using HP PC Hardware Diagnostics ................................................................................................................ 84
Using HP PC Hardware Diagnostics Windows (select products only) ................................................................. 84
Downloading HP PC Hardware Diagnostics Windows ....................................................................... 84
Downloading the latest HP PC Hardware Diagnostics Windows version ....................... 85
Downloading HP Hardware Diagnostics Windows by product name or number
(select products only) ..................................................................................................... 85
Installing HP PC Hardware Diagnostics Windows ............................................................................. 85
Using HP PC Hardware Diagnostics UEFI ............................................................................................................. 85
Starting HP PC Hardware Diagnostics UEFI ....................................................................................... 86
Downloading HP PC Hardware Diagnostics UEFI to a USB ash drive .............................................. 86
Downloading the latest HP PC Hardware Diagnostics UEFI version .............................. 86
Downloading HP PC Hardware Diagnostics UEFI by product name or number
(select products only) ..................................................................................................... 86
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only) ............................................. 87
Downloading Remote HP PC Hardware Diagnostics UEFI ................................................................. 87
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version ................. 87
Downloading Remote HP PC Hardware Diagnostics UEFI by product name or
number ............................................................................................................................ 87
Customizing Remote HP PC Hardware Diagnostics UEFI settings .................................................... 87
9 Backing up, restoring, and recovering ........................................................................................................... 89
Using Windows tools ........................................................................................................................................... 89
Creating HP Recovery media (select products only) ........................................................................................... 89
Using HP Recovery Manager to create recovery media .................................................................... 90
Before you begin ............................................................................................................. 90
Creating the recovery media ........................................................................................... 90
Using the HP Cloud Recovery Download Tool to create recovery media .......................................... 91
Restoring and recovery ........................................................................................................................................ 91
Restoring, resetting, and refreshing using Windows tools .............................................................. 91
Restoring using HP Recovery Manager and the HP Recovery partition ........................................... 91
Recovering using HP Recovery Manager ........................................................................................... 91
Recovering using the HP Recovery partition (select products only) ................................................ 92
Recovering using HP Recovery media ............................................................................................... 92
Changing the computer boot order ................................................................................................... 93
Removing the HP Recovery partition (select products only) ............................................................ 93
10 Specications ............................................................................................................................................ 94
Computer specications ...................................................................................................................................... 94
35.6-cm (14.0-in) display specications ............................................................................................................. 95
Solid-state drive specications ........................................................................................................................... 96
ix
11 Statement of memory volatility .................................................................................................................. 97
Nonvolatile memory usage ................................................................................................................................. 99
Questions and answers ..................................................................................................................................... 101
Using HP Sure Start (select models only) .......................................................................................................... 102
12 Power cord set requirements .................................................................................................................... 103
Requirements for all countries and regions ...................................................................................................... 103
Requirements for specic countries and regions ............................................................................................. 103
13 Recycling ................................................................................................................................................ 105
Index ........................................................................................................................................................... 106
x
1 Product description
Category Description
Product Name HP ProBook x360 440 G1 Notebook PC
Processors 8th generation, Intel® Core™ i7 processor, quad core (8-MB L3 cache, 15 W)
i7-8550U, 1.8 GHz/4.0 GHz; 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; Intel UHD Graphics 620
i5-8250U, 1.6 GHz/3.4 GHz; 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; Intel HD Graphics 620
8th generation, Intel Core i3 processor, dual core (4-MB L3 cache, 15 W)
i3-8130U, 2.2-GHz.3.4-GHz; Intel HD Graphics 620
Intel Pentium dual core processor (2-MB L3 cache, 15 W)
4415U, 2.3-GHz; Intel HD Graphics
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
Switchable discrete graphics
NVIDIA® GeForce® MX130 - 2-GB GDDR5
Supports CUDA, Optimus, PhysX, GPU Boost 2.0
Touch module/pen
output
Panel 35.6 cm (14.0-inch), UWVA, FHD (1920×1080), eDP, IPS, slim (3.0 mm), touch
Wacom AES Pen with Pen Loop (select models only)
HD camera, 220 nits, 45% CG
IR camera, 220 nits, 45% CG
HD camera with WWAN, 220 nits, 45% CG
IR camera with WWAN, 220 nits, 45% CG
IR camera with WWAN, eDP+PSR, 400 nits, 72% CG
Memory Two customer-accessible memory module slots supporting up to 32 GB of RAM
Supports dual-channel memory
1
Category Description
PC4, 2133-MHz, DDR4 SODIMMs (models with 8th generation Intel Core processors run at 2400 MHz)
Supports the following congurations:
● 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)
Primary M.2
storage
Audio/Visual Audio controls
Ethernet Realtek RTL8111HSH-CG 10/100/1000
Wireless Integrated WLAN options by way of wireless module (select models only)
M.2 2280 SSD (NGFF)
● 512 GB, PCIe, NVMe, TLC (not available with Celeron)
● 256 GB, PCIe, NVMe, value (not available with Celeron)
● 256 GB, SATA, TLC
● 128 GB, SATA, TLC
Integrated dual-array microphone
Integrated camera (720p HD) (supports Wide Dynamic Range [WDR])
IR camera (720p HD) (supports WDR)
Stereo speakers (2)
Headphone/microphone combo jack
S3/S4/S5 wake on LAN (AC mode and battery mode)
The following support S3/S4/S5 wake on LAN: embedded NIC
The following support S3/S4/S5 wake on LAN/HBMA (via out of band): HP Elite USB-C Dock G3, HP USB-C Dock
G4, HP USB-C Universal Dock, HP Thunderbolt Dock 120W G2, and HP USB-C Mini Dock
Support WiFi SAR (enabled in BIOS)
Supports HP Connection Optimizer with wi- load balancing
Supports the following wireless adapters via minicard connector:
● Realtek RTL8822BE 802.11AC 2x2 Wi-Fi + Bluetooth 4.2 Combination Adapter
● 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)
2 Chapter 1 Product description
Category Description
SIM module: Micro SIM/3FF (user accessible under service door)
WWAN cards are compatible with a programmable removable eSIM
Integrated WWAN options with dual antennas (M.2 30×42 socket USB2):
● Huawei HP It4132, LTE/HSPA+ w/GPS M.2
● Fibocom CAT9: Intel XMM™ 7360 LTE-Advanced
External media
card
Ports (Input/
output)
Docking Docking via USB Type-C
Keyboard/pointing
devices
Digital Media Reader Slot
Supports SDXC
USB 3.0 + powered port (left)
USB 3.0 port (right)
USB Type-C (PD+DP, USB 3.1 Gen 1, right)
HDMI 1.4b (right)
Headphone/microphone combo jack (left)
RJ-45 (Ethernet, right)
Multi-pin AC port (right)
Keyboard
HP Premium Keyboard
TouchPad
Full-sized, chiclet, spill-resistant keyboard (backlit or not backlit)
TouchPad requirements
Taps enabled by default
Power
requirements
On/o control by driver
Supports PTP with Miniport driver
Windows 10 gestures enabled by default: 2-nger scrolling and zoom enabled by default, OSD (enable/disable),
3-nger tap - Cortana, 3- nger ick - App switch, 4-nger tap - Action Center
Windows 10 gestures disabled by default: 3 nger ick, 2 nger rotate, momentum motion, 1 nger vertical
scroll
Battery
3-cell prismatic, 48-Wh, long-life, Li-ion battery
Supports HP Fast Charge technology: 90% in 90 minutes under S3/S4/S5
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)
65-W, straight AC adapter, USB Type-C
45-W Smart AC adapter, right angle, 4.5 mm (UMA only)
3
Category Description
45-W Smart AC adapter, right angle, 4.5 mm (UMA only) – Argentina
45-W, straight AC adapter, USB Type-C
Power cords
3-wire plug, 1.8 m
3-wire plug, 1.0 m
Duckhead power cord (C5NS), 1.8 m, premium (only available with USB Type-C AC adapters)
Duckhead power cord (C5NS), 1.0 m, premium (only available with USB Type-C AC adapters)
Duckhead power cord (C5NS)
Security Kensington Universal Security Slot - Micro Saver
Integrated ngerprint reader (select models only)
TPM 2.0 SLB9670 (Inneon; soldered down)
Hardware enforced rmware protection: HP Hardware Root of Trust
ANSSI Certied Hardware Root of Trust: Yes
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 High-end Chinese Market - CPPP
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
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)
4 Chapter 1 Product description
Category Description
Windows 10 Professional 64
Certied
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
Memory module
WLAN module
WWAN module
WWAN SIM card
Keyboard
5
2 Components
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) Volume button Controls speaker volume on the computer.
(2) USB Type-C SuperSpeed port
and DisplayPort
(3) USB SuperSpeed port Connects a USB device, such as a cell phone, camera, activity tracker, or
(4) HDMI port Connects an optional video or audio device, such as a high-denition television,
(5) RJ-45 (network) jack/status
lights
(6) Battery light When AC power is connected:
When the computer is on, connects and charges most USB devices that have a
Type-C connector, such as a cell phone, camera, activity tracker, or smartwatch,
and provides high-speed data transfer.
NOTE: Cables and/or adapters (purchased separately) may be required.
– and –
Connects a DisplayPort device that has a USB Type-C connector, providing
display output.
smartwatch, and provides high-speed data transfer.
any compatible digital or audio component, or a high-speed High Denition
Multimedia Interface (HDMI) device.
Connects a network cable.
● Green (right): The network is connected.
● Amber (left): Activity is occurring on the network.
● White: The battery charge is greater than 90 percent.
● Amber: The battery charge is from 0 to 90 percent.
6 Chapter 2 Components
● O: The battery is not charging.
When AC power is disconnected (battery not charging):
Left
Component Description
● 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.
● O: The battery is not charging.
(7) Power connector Connects an AC adapter.
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) Power button ● When the computer is o, press the button to turn on the computer.
● When the computer is on, press the button briey to initiate Sleep.
● When the computer is in the Sleep state, press the button briey to exit
Sleep.
● When the computer is in Hibernation, press the button briey 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
ineective, 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.
(3) Vent Enables airow 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.
Left 7
Component Description
(4) USB SuperSpeed powered port Connects and supplies power to a USB device, such as a cell phone, camera,
activity tracker, optical drive, or smartwatch, and provides high-speed data
transfer.
(5) Audio-out (headphone)/Audio-in
(microphone) combo jack
(6) MicroSD memory card reader Reads optional memory cards that store, manage, share, or access information.
(7) Drive light ● Blinking white: The hard drive is being accessed.
Connects optional powered stereo speakers, headphones, earbuds, a 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:
▲ Select the Start button, select HP Help and Support, and then select HP
Documentation.
‒ or –
▲ Select the Start button, select HP, and then select HP Documentation.
NOTE: When a device is connected to the jack, the computer speakers are
disabled.
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.
● Amber: HP 3D DriveGuard has temporarily parked the hard drive.
8 Chapter 2 Components
Display
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) Allow(s) 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 Record sound.
(5) Camera light On: The camera(s) 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:
▲ Select the Start button, select HP Help and Support, and then select HP Documentation.
‒ or –
▲ Select the Start button, select HP, and then select HP Documentation.
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 control zone Textured area that allows you to perform additional gestures.
(3) Right control zone Textured area that allows you to perform additional gestures.
10 Chapter 2 Components
Lights
Component Description
(1) Caps lock light On: Caps lock is on, which switches the key input to all capital
letters.
(2) Fn lock light On: The fn key is locked.
(3) Mute light ● On: Computer sound is o.
● O: Computer sound is on.
(4) Microphone mute light ● On: Microphone is o.
● O: Microphone is on.
(5) Num lk light On: Num lock is on.
(6) 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
Speakers and ngerprint reader
Component Description
(1) Speakers (2) Produce sound.
(2) Fingerprint reader (select products only) Allows a ngerprint logon to Windows, instead of a password
logon.
12 Chapter 2 Components
Special keys
Component Description
(1) esc key Displays system information when pressed in combination with
(2) fn key Executes frequently used system functions when pressed in
the fn key.
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 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.
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 the 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 embedded numeric keypad on and o.
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, briey 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 door release latch Releases the service door.
(2) Vents (2) Enable airow 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 axed to the computer provide information you may need when you troubleshoot system
problems or travel internationally with the computer. Labels may be in paper form or imprinted on the
product.
IMPORTANT: Check the following locations for the labels described in this section: the bottom of the
computer, inside the battery bay, under the service door, on the back of the display, or on the bottom of a
tablet kickstand.
● Service label—Provides important information to identify your computer. When contacting support, you
may be asked for the serial number, the product number, or the model number. Locate this information
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) HP product name
(2) Model number
(3) Product ID
(4) Serial number
(5) Warranty period
Component
(1) HP product name
(2) Product ID
16 Chapter 2 Components
Component
(3) Serial number
(4) Warranty period
● Regulatory label(s)—Provide(s) regulatory information about the computer.
● Wireless certication 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.
Labels 17
3 Illustrated 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
NOTE: Displays are spared only at the subcomponent level.
(2) Keyboard (includes cable)
NOTE: For a detailed list of keyboard country codes, see Keyboard on page 40.
No backlight L28408-xxx
Backlit L28406-xxx
(3) TouchPad L28253-001
(4) Top cover
For use in models with UMA graphics memory L28268-001
For use in models with discrete graphics memory L28269-001
(5) I/O board L28252-001
(6) Fingerprint reader assembly L28254-001
(7) Speaker assembly L28271-001
(8) Battery, Li-ion (4-cell, 48 WHr, 4.21 Ah) L12791-855
(9) RTC battery not spared
(10) USB-C bracket L29057-001 (Bracket Kit)
Fan/heat sink assembly (includes replacement thermal material)
(11) Models with discrete graphics L28267-001
(12) Models with UMA graphics L28266-001
(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 L28242-xxx
● Intel Core i5-8350U processor L35766-xxx
● Intel Core i5-8250U processor (WWAN models) L28244-xxx
● Intel Core i5-8250U processor L28241-xxx
● Intel Core i3-8130U processor (WWAN models) L28243-xxx
● Intel Core i3-8130U processor L28239-xxx
● Intel Core i5-7200U processor L28240-xxx
● Intel Pentium 4415U processor L31173-xxx
● Intel Celeron 3865U processor L28238-xxx
Models with discrete graphics:
Computer major components 19
Item Description Spare part number
● Intel Core i7-8550U processor L28248-xxx
● Intel Core i5-8250U processor L28247-xxx
● Intel Core i3-8130U processor L28245-xxx
● Intel Core i5-7200U processor L28246-xxx
(14) WLAN module
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
(15) WWAN module
Huawei HP It4132, LTE/HSPA+ w/GPS M.2 845710-001
Intel XMM 7360 LTE-Advanced 917823-001
(16) Power connector cable L28264-001
(17) Power button board L28251-001
(18) M.2 solid-state drive
512-GB, PCIe, TLC L28275-001
256-GB, PCIe L28274-001
256-GB, SATA-3, TLC L33505-001
128-GB, SATA-3 L28273-001
(19) Memory modules
16-GB (DDR4-2400) 865396-855
8-GB (DDR4-2400) 862398-855
4-GB (DDR4-2133) 820569-005
(20) Base enclosure L28262-001
(21) Service door
UMA models L29058-001
Discrete models L34117-001
20 Chapter 3 Illustrated parts catalog
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