HP EliteBook 840r G4 Maintenance And Service Manual
HP EliteBook 840r G4 Notebook PC
Maintenance and Service Guide
© Copyright 2018 HP Development Company,
L.P.
AMD and AMD Radeon are trademarks of
Advanced Micro Devices, Inc. Bluetooth is a
trademark owned by its proprietor and used by
HP Inc. under license. Intel and Core are
trademarks 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: March 2018
Document Part Number: L12653-001
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 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 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 device 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 .................................................................................................................................................................... 8
Keyboard area ........................................................................................................................................................ 9
TouchPad ............................................................................................................................................. 9
Lights ................................................................................................................................................. 10
Buttons, speakers, and ngerprint reader ........................................................................................ 11
Special keys ....................................................................................................................................... 12
Action keys ........................................................................................................................................ 13
Hot keys (select products only) ......................................................................................................... 13
Bottom ................................................................................................................................................................. 14
Front ..................................................................................................................................................................... 15
Labels ................................................................................................................................................................... 16
3 Illustrated parts catalog .............................................................................................................................. 18
Computer major components .............................................................................................................................. 18
Display assembly subcomponents ...................................................................................................................... 21
Mass storage devices ........................................................................................................................................... 22
Miscellaneous parts ............................................................................................................................................. 23
4 Removal and replacement procedures preliminary requirements .................................................................... 25
Tools required ...................................................................................................................................................... 25
Service considerations ......................................................................................................................................... 25
Plastic parts ....................................................................................................................................... 25
Cables and connectors ...................................................................................................................... 26
Drive handling ................................................................................................................................... 26
Grounding guidelines ........................................................................................................................................... 27
Electrostatic discharge damage ........................................................................................................ 27
Packaging and transporting guidelines .......................................................................... 28
Workstation guidelines ................................................................................................... 28
Equipment guidelines ..................................................................................................... 29
vii
5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 30
Component replacement procedures .................................................................................................................. 30
Bottom cover ..................................................................................................................................... 30
Battery ............................................................................................................................................... 33
Hard drive .......................................................................................................................................... 34
M.2 solid-state drive ......................................................................................................................... 36
Memory modules ............................................................................................................................... 37
WLAN/Bluetooth combo card ............................................................................................................ 39
WWAN module ................................................................................................................................... 41
Keyboard ........................................................................................................................................... 43
6 Removal and replacement procedures for Authorized Service Provider parts ................................................... 46
Component replacement procedures .................................................................................................................. 46
RTC battery ........................................................................................................................................ 47
Internal base plate ............................................................................................................................ 48
Heat sink/fan assembly .................................................................................................................... 50
Fingerprint reader assembly ............................................................................................................. 52
Power button board .......................................................................................................................... 54
TouchPad ........................................................................................................................................... 55
NFC module ....................................................................................................................................... 57
Smart card reader board ................................................................................................................... 58
USB/VGA board .................................................................................................................................. 60
System board .................................................................................................................................... 61
Speaker assembly ............................................................................................................................. 64
Display assembly ............................................................................................................................... 65
Top cover ........................................................................................................................................... 69
7 Computer Setup (BIOS), TPM, and HP Sure Start ............................................................................................. 70
Using Computer Setup ......................................................................................................................................... 70
Starting Computer Setup .................................................................................................................. 70
Using a USB keyboard or USB mouse to start Computer Setup (BIOS) .......................... 70
Navigating and selecting in Computer Setup ................................................................................... 70
Restoring factory settings in Computer Setup ................................................................................. 71
Updating the BIOS ............................................................................................................................. 71
Determining the BIOS version ......................................................................................... 71
Downloading a BIOS update ........................................................................................... 72
Changing the boot order using the f9 prompt .................................................................................. 73
TPM BIOS settings (select products only) ........................................................................................................... 73
Using HP Sure Start (select products only) ......................................................................................................... 73
viii
8 Using HP PC Hardware Diagnostics ................................................................................................................ 74
Using HP PC Hardware Diagnostics Windows ..................................................................................................... 74
Downloading HP PC Hardware Diagnostics Windows ....................................................................... 74
Downloading the latest HP PC Hardware Diagnostics Windows version ....................... 75
Downloading HP Hardware Diagnostics Windows by product name or number
(select products only) ..................................................................................................... 75
Installing HP PC Hardware Diagnostics Windows ............................................................................. 75
Using HP PC Hardware Diagnostics UEFI ............................................................................................................. 75
Starting HP PC Hardware Diagnostics UEFI ....................................................................................... 76
Downloading HP PC Hardware Diagnostics UEFI to a USB ash drive .............................................. 76
Downloading the latest HP PC Hardware Diagnostics UEFI version .............................. 76
Downloading HP PC Hardware Diagnostics UEFI by product name or number
(select products only) ..................................................................................................... 76
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only) ............................................. 77
Downloading Remote HP PC Hardware Diagnostics UEFI ................................................................. 77
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version ................. 77
Downloading Remote HP PC Hardware Diagnostics UEFI by product name or
number ............................................................................................................................ 77
Customizing Remote HP PC Hardware Diagnostics UEFI settings .................................................... 77
9 Backing up, restoring, and recovering ........................................................................................................... 79
Using Windows tools ........................................................................................................................................... 79
Creating HP Recovery media (select products only) ........................................................................................... 79
Using HP Recovery Manager to create recovery media .................................................................... 80
Before you begin ............................................................................................................. 80
Creating the recovery media ........................................................................................... 80
Using the HP Cloud Recovery Download Tool to create recovery media .......................................... 81
Restoring and recovery ........................................................................................................................................ 81
Restoring, resetting, and refreshing using Windows tools .............................................................. 81
Restoring using HP Recovery Manager and the HP Recovery partition ........................................... 81
Recovering using HP Recovery Manager ........................................................................................... 81
Recovering using the HP Recovery partition (select products only) ................................................ 82
Recovering using HP Recovery media ............................................................................................... 82
Changing the computer boot order ................................................................................................... 83
Removing the HP Recovery partition (select products only) ............................................................ 83
10 Specications ............................................................................................................................................ 84
Computer specications ...................................................................................................................................... 84
35.6-cm (14.0-in) display specications ............................................................................................................. 85
M.2 PCIe solid-state drive specications ............................................................................................................ 86
M.2 SATA solid-state drive specications ............................................................................................................ 87
ix
Hard drive specications ..................................................................................................................................... 88
11 Power cord set requirements ...................................................................................................................... 89
Requirements for all countries ............................................................................................................................ 89
Requirements for specic countries and regions ................................................................................................ 89
12 Statement of memory volatility .................................................................................................................. 91
Nonvolatile memory usage ................................................................................................................................. 93
Questions and answers ....................................................................................................................................... 95
Using HP Sure Start (select models only) ............................................................................................................ 96
13 Recycling .................................................................................................................................................. 97
Index ............................................................................................................................................................. 98
x
1 Product description
Category Description
Product Name HP HP EliteBook 840r G4 Notebook PC
Processor
Graphics Intel UHD Graphics 620: 8th generation Intel processors
Panel 35.6-cm (14-in), 220-nits, 45% CG, eDP, slim
8th-generation Intel® Core™ processors:
●
Intel Core i7-8650U
●
Intel Core i7-8550U
●
Intel Core i5-8350U
●
Intel Core i5-8250U
7th-generation Intel Core processors:
●
Intel Core i5-7300U
●
Intel Core i5-7200U
Intel HD Graphics 620: 7th generation Intel processors
Supports HD decode, DX12, HDMI 1.4b, HDCP 2.2 via HDMI/DP up to 4k @ 60Hz
Up to three independent displays supported with HP Docking Station
●
HP Docking Station - maximum resolution = 2K @60Hz (DisplayPort 1) and 2.5K @60Hz (DisplayPort 2)
●
HP Thunderbolt Dock G2- maximum resolution = 4K @30Hz (DisplayPort1) and 4K @30Hz (DisplayPort
2) with ALT mode
High-denition (HD), AntiGlare (AG), SVA (1366 x 768) non-touch display with and without webcam
Full high-denition (FHD), AntiGlare (AG), UWVA (1920 x 1080) non-touch display with and without webcam
Full high-denition (FHD), UWVA (1920 x 1080) touch display with webcam. Chemically-strengthened Gorilla
Glass 4 top cover, air-gap bonded.
Supports privacy lter and standard bezel
Memory Two memory module slots
Memory is customer accessible.
DDR4 2400 MHz dual channel support (8th generation Intel processors)
DDR4 2133 MHz dual channel support (7th generation Intel processors)
Supports up to 32 GB of system RAM
●
32768 MB (16384 MB×2)
●
24576 MB (16384 MB×1 + 8192 MB×1)
●
20480 MB (16384 MB×1 + 4096 MB×1)
●
16384 MB (16384 MB×1) or (8192 MB×2)
1
Category Description
●
12288 MB (8192 MB×1 + 4096 MB×1)
●
8192 MB (8192 MB×1 or 4096 MB×2)
●
4096 MB (4096 MB×1)
Primary storage Hard drives:
Supports 6.35 cm (2.5 in) hard drives in 7.0 mm (.28 in) thicknesses
Serial ATA
●
1 TB, 7200 rpm
●
500 GB, 7200 rpm, self-encrypting (FIPS-140-2; Opal 2)
●
500 GB, 7200 rpm
Primary M.2 storage Solid-state drives (M.2 2280):
●
1 TB, PCIe, Gen3×4, SS, NVMe, TLC
●
512 GB, PCIe, Gen3×4, SS, NVMe, TLC
●
512 GB, PCIe, Gen3×4, SS, NVMe, TLC, Opal 2
●
512 GB, SATA-3, SS, TLC, FIPS-140–2
●
360 GB, PCIe, Gen3×4, SS, NVMe, TLC (Intel)
●
256 GB, PCIe, Gen3×4, SS, NVMe, TLC
●
256 GB, PCIe, SS, NVMe, value
●
256 GB, SATA-3, TLC, Opal
●
128 GB, SATA-3, SS, TLC
Audio and video HP Bang & Olufsen Audio
Dual-array microphone
Premium stereo speakers (2)
Camera - HD RGB 720p
Supports models without a camera
Ethernet Intel 1219-LM 10/100/1000 Ethernet (vPro)
Intel 1219–V 10/100/1000 Ethernet (non-vPro)
*The following support S3/S4/S5 wake on LAN/HBMA (via out of band): embedded NIC, HP Elite USB-C Dock,
HP USB-C Universal Dock, HP Thunderbolt Dock 120W/230W G2, and HP USB-C Mini Dock.
*The following support S3 wake on LAN/HBMA (via Windows operating system): HP Thunderbolt 3 Dock, HP
Elite USB-C Docking Station G2, HP USB-C Travel Dock, and HP USB Travel Dock.
Wireless networking WPAN
Integrated wireless personal area network (PAN) supported by Bluetooth® 4.2 combo card
2 Chapter 1 Product description
WLAN
Supports the following WLAN formats:
●
Intel Dual Band Wireless-AC 8265 802.11ac 2x2 WiFi + Bluetooth 4.2 Combo Adaptor (vPro)
Category Description
●
Intel Dual Band Wireless-AC 8265 802.11ac 2x2 WiFi + Bluetooth 4.2 Combo Adaptor (non-vPro)
●
Realtek RTL8822BE 802.11ac 2x2 Wi-Fi + Bluetooth 4.2 combo adapter
Integrated WLAN options with dual antennas (M.2 2230 socket PCIe/USB)
Two WLAN antennas built into display assembly
Supports models without WLAN
Compatible with Miracast-certied devices
Bluetooth Disabled IOPT
Supports HP Sure Connect with Client Side Load Balancing
Support S3/S4 Wake on Wireless LAN
NFC
NFC Mirage WNC XRAV-1 (NXP NPC300 I2C, 10 mm × 17 mm)
NFC antenna
Supports models without NFC
WWAN
Supports the following WWAN formats:
●
Integrated WWAN options with dual antennas (M.2 30x42 socket USB2)
LTE CAT4: Huawei HP lt4132, LTE/HSPA+ w/GPS M.2
●
Integrated WWAN options with dual antennas (M.2 30x42 socket PCIe)
LTE CAT9: Fibocom Intel XMM 7360 LTE - Advanced
Supports models without WWAN
Supports WWAN after market option
WWAN cards are compatible with a programmable removable eSIM
External media cards Memory card reader (SD, SDHC, SDXC)
Ports VGA (Dsub 15 pin) supporting 1920 x 1200 external resolution @ 60Hz
USB 3.1 Gen 1 charging port
USB 3.1 Gen 1 port
USB Type-C Alt Mode and Power Input
DisplayPort
RJ-45/Ethernet
Docking connector
Audio-out (headphone)/audio-in (microphone) combo jack
Keyboard/pointing
devices
AC port
Keyboard:
HP Dura Keys, dual point, backlit, spill resistant with drain
3
Category Description
Non-backlit, dual point, spill-resistant with drain
TouchPad:
Gestures enabled by default
Taps enabled by default
On/o button
Glass
Power requirements AC adapters
65 W HP Smart AC adapter, right angle, 4.5 mm
45 W HP Smart AC adapter, right angle, 4.5 mm
45 W, 2-prong AC adapter (Japan only)
Power cords
2-wire plug (C7), 1.0 m, conventional (for use with 2-prong adapter)
3-wire plug (C5), 1.8 m, conventional
3-wire plug (C5), 1.0 m, conventional
Security Security lock
Fingerprint reader
Supports Trusted Platform Module (TPM) 2.0 (Inneon, soldered down)
Integrated Smart Card reader (active)
Preboot authentication (password, smart card)
Hardware enforced rmware protection: HP Hardware Root of Trust + Sure Start Gen4
Operating system Preinstalled:
●
Windows® 10 RS3
●
Windows 10 Home 64
●
Windows 10 Home 64 Single Language
●
Windows 10 Home 64 Chinese Market (CPPP)
●
Windows 10 Home 64 High-end Chinese Market (CPPP)
●
Windows 10 Home 64 Plus
●
Windows 10 Home 64 Plus Single Language
●
Windows 10 Professional 64
●
Windows 10 Pro 64 StF MSNA Standard
●
Windows 10 Pro 64 StF MSNA Plus
4 Chapter 1 Product description
●
FreeDOS 2.0
Restore Media
●
Windows 10 DRDVD
Category Description
●
Windows 10 DRUSB
●
Windows 10 Professional 64 OSDVD
●
Windows 10 Professional 64 OSUSB
Certied
Microsoft WHQL
Web-only support
●
Windows 10 Enterprise 64
●
Windows 10 Pro 64 CBB 1703
●
Windows 10 Enterprise 64 LTSB 1607
Serviceability End user replaceable parts:
AC adapter
Battery
Hard drive
Solid-state drive
Memory module
WLAN
WWAN
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) USB Type-C SuperSpeed port and DisplayPort 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 highspeed 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.
(2) Dual-Mode DisplayPort Connects an optional digital display device, such as a high-
(3) Audio-out (headphone)/Audio-in (microphone)
6 Chapter 2 Components
combo jack
performance monitor or projector.
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.
Left
Component Description
(4) 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.
(5) RJ-45 (network) jack/status lights Connects a network cable.
●
Green (left): The network is connected.
●
Amber (right): Activity is occurring on the network.
(6) Docking connector Connects an optional docking device.
(7) SIM card slot Supports a wireless subscriber identity module (SIM) card.
(8) 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) 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.
(3) External monitor port Connects an external VGA monitor or projector.
(4) USB 3.x SuperSpeed port with HP Sleep and
Charge
(5) Smart card reader Supports optional smart cards.
Connects a USB device, provides high-speed data transfer, and
even when the computer is o, charges most products such as a
cell phone, camera, activity tracker, or smartwatch.
Left 7
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) Internal microphones Record sound.
(4) Camera light (select products only) On: One or more cameras are in use.
(5) Camera (select products only) Allows 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.
*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.
8 Chapter 2 Components
Keyboard area
TouchPad
Component Description
(1) Pointing stick Moves the pointer on the screen.
(2) Left pointing stick button Functions like the left button on an external mouse.
(3) TouchPad on/o button/TouchPad
light
(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 Functions like the right button on an external mouse.
(7) Near Field Communications (NFC)
tapping area and antenna* (select
products only)
(8) Right TouchPad button Functions like the right button on an external mouse.
*The antenna is not visible from the outside of the computer. For optimal transmission, keep the area immediately around the antenna
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.
Turns the TouchPad on and o.
●
On: The TouchPad is o.
●
O: The TouchPad is on.
Allows you to wirelessly share information when you tap it with an NFC-enabled
device.
Keyboard area 9
Lights
Component Description
(1) Power light
(2) Microphone mute light
(3) Num lk light On: Num lock is on.
(4) Wireless light On: An integrated wireless device, such as a wireless local area network (WLAN) device
(5) Mute light
(6) Caps lock light On: Caps lock is on, which switches the key input to all capital letters.
(7) TouchPad 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.
●
O: The computer is o or in Hibernation. Hibernation is a power-saving state that
uses the least amount of power.
●
On: Microphone is o.
●
O: Microphone is on.
and/or a Bluetooth® device, is on.
NOTE: On some models, the wireless light is amber when all wireless devices are o.
●
Amber: Computer sound is o.
●
White: Computer sound is on.
●
On: The TouchPad is o.
●
O: The TouchPad is on.
10 Chapter 2 Components
Buttons, speakers, and ngerprint reader
Component Description
(1) Power button
(2) Speakers (2) Produce sound.
(3) Wireless button Turns the wireless feature on or o but does not establish a wireless connection.
(4) Volume mute button Mutes and restores speaker sound.
(5) Fingerprint reader or blank Allows a ngerprint logon to Windows, instead of a password logon.
●
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.
A wireless network must be set up before a wireless connection is possible.
NOTE: The ngerprint reader and blank look similar. To verify that you have a ngerprint
reader, press the Windows key on your keyboard, select Settings, select Accounts, select
Sign-in options, and then follow the on-screen instructions.
Keyboard area 11
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.
See Hot keys (select products only) on page 13.
(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 13.
(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.
(7) num lk key Turns the embedded numeric keypad on and o.
12 Chapter 2 Components
Action keys
An action key performs the function indicated by the icon on the key.
▲
Icon Description
To use an action key, press and hold the key.
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.
Turns the keyboard backlight o or on.
NOTE: To conserve battery power, turn o this feature.
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.
Decreases speaker volume incrementally while you hold down the key.
Increases speaker volume incrementally while you hold down the key.
Mutes the microphone.
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.
Hot keys (select products only)
A hot key is the combination of the fn key and another key.
To use a hot key:
▲
Press the fn key, and then press one of the keys listed in the following table.
Key
C Turns on scroll lock.
R Breaks the operation.
S Sends a programing query.
Description
Keyboard area 13
Bottom
Component Description
(1) MicroSD 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.
(2) Docking connectors (2) Connect an optional docking device.
(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.
14 Chapter 2 Components
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
(3) Battery light When AC power is connected:
(4) Drive light For hard drives:
●
On: The computer is on.
●
Blinking: The computer is in the Sleep state, a powersaving state. The computer shuts o power to the
display and other unneeded components.
●
O: The computer is o or in Hibernation.
Hibernation is a power-saving state that uses the
least amount of power.
●
White: The battery charge is greater than 90 percent.
●
Amber: The battery charge is from 0 to 90 percent.
●
O: 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.
●
O: The battery is not charging.
●
Blinking white: The hard drive is being accessed.
●
Amber: HP 3D DriveGuard has temporarily parked the
hard drive.
For solid-state drives (SSDs):
●
Blinking white: The hard drive is being accessed.
NOTE: Because solid-state drives lack moving parts, HP
3D DriveGuard is unnecessary for these drives.
Front 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 (select products only)
(2) Model number
(3) Product ID
(4) Serial number
(5) Warranty period
Component
(1) HP product name (select products only)
(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 Component Spare part number
(1) Display assembly, touch screen.
NOTE: Touch displays are spared only as whole hinge-ups.
NOTE: Non-touch display assemblies are spared at the subcomponent level only. For
more non-touch display assembly spare part information, see Display assembly
subcomponents on page 21
(2) Keyboard (see Keyboard on page 43)
No backlight 836307-xx1
Backlit 836308-xx1
(3) Top cover L17985-001
(4) Power button board L17978-001
(5) Smart card reader board (includes cable) L17977-001
(6) NFC module (antenna spared with TouchPad) L17976-001
(7) Fingerprint reader assembly (includes cable) 849912-001
(8) TouchPad
Without NFC antenna 821171-001
Includes NFC antenna 821172-001
L22363-001
L26480-xx1
(9) Speakers (includes cable) 821170-001
(10) System board (includes processor and replacement thermal material, see System board on page 61)
NOTE: All system board spare part kits include replacement thermal material.
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating systems
xxxxxx-601: Windows operating system
Intel Core i7-8650U processor L21623-xx1
Intel Core i7-8550U processor L21622-xx1
Intel Core i5-8350U processor L21621-xx1
Intel Core i5-8250U processor L21620-xx1
Intel Core i5-7300U processor L21619-xx1
Intel Core i5-7200U processor L21618-xx1
(11) USB/VGA board L17979-001
(12) Heat sink/fan assembly L17983-001
(13) RTC battery 914384-001
(14) Internal base plate 821164-001
(15) Memory module
4-GB (2400-MHz, DDR4) 862397-850
8-GB (2400-MHz, DDR4) 862398-850
Computer major components 19
Item Component Spare part number
16-GB (2400-MHz, DDR4) 865396-850
(16) WLAN/Bluetooth combo card
Intel Dual Band Wireless-AC 8265 802.11ac 2x2 WiFi + Bluetooth 4.2 Combo Adapter (vPro) 851592-001
Intel Dual Band Wireless-AC 8265 802.11ac 2x2 WiFi + Bluetooth 4.2 Combo Adapter (non-
vPro)
Realtek RTL8822BE 802.11ac 2x2 Wi-Fi + Bluetooth 4.2 Combo Adapter 915623-001
(17) WWAN module
LTE CAT4: Huawei HP lt4132, LTE/HSPA+ with GPS 845710-003
LTE CAT9: Fibocom Intel XMM 7360 LTE - Advanced L15398-001
(18) Solid-state drive (SSD) (M.2)
1 TB, PCIe Gen3x4, NVMe, TLC L17991-001
512 GB, PCIe, Gen3x4, TLC L17996-001
512 GB, PCIe, NVMe, self-encrypting drive (SED), Opal 2, TLC L17995-001
512 GB, SATA-3, FIPS 140–2, TLC L17994-001
360 GB, PCIe, Gen3x4, NVMe, TLC L17997-001
256 GB, PCIe, Gen3x4, NVMe, TLC L17992-001
256 GB, SATA-3, NVMe, self-encrypting drive (SED), Opal 2, TLC L17989-001
256 GB, PCIe, NVMe L17993-001
128 GB, SATA-3, TLC L17990-001
(19) Hard drive hardware kit 821665-001
851594-001
(20) Hard drive (does not include hard drive connector cable or hard drive rubber bracket):
1 TB, 5400 rpm, 7 mm L06427-850
500 GB, 7200 rpm, 7 mm, FIPS 820572-001
500 GB, 7200 rpm, 7 mm 703267-001
(21) Battery 854108-850
(22) Bottom cover 821162-001
20 Chapter 3 Illustrated parts catalog
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