Hp 445 G6 User Manual
Maintenance and Service Guide
HP ProBook 445 G6 Notebook PC
© Copyright 2019 HP Development Company,
L.P.
AMD, Ryzen, and 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 Thunderbolt are
trademarks of Intel Corporation or its
subsidiaries in the U.S. and/or other countries.
Windows is either a registered trademark or
trademark of Microsoft Corporation in the
United States and/or other countries.
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: February 2019
Document Part Number: L46752-001
Product notice
This guide describes features that are common
to most models. Some features may not be
available on your computer.
Not all features are available in all editions or
versions of Windows. Systems may require
upgraded and/or separately purchased
hardware, drivers, software or BIOS update to
take full advantage of Windows functionality.
Windows 10 is automatically updated, which is
always enabled. ISP fees may apply and
additional requirements may apply over time
for updates. Go to http://www.microsoft.com
for details.
To access the latest user guides, go to
http://www.hp.com/support, and follow the
instructions to nd your product. Then select
User Guides.
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 ......................................................................................................................................................................... 8
Display .................................................................................................................................................................... 9
Keyboard area ...................................................................................................................................................... 11
TouchPad ........................................................................................................................................... 11
Lights ................................................................................................................................................. 12
Button, speakers, and ngerprint sensor ......................................................................................... 13
Special keys ....................................................................................................................................... 14
Action keys ........................................................................................................................................ 15
Hot keys (select products only) ......................................................................................................... 16
Bottom ................................................................................................................................................................. 17
Labels ................................................................................................................................................................... 18
3 Illustrated parts catalog .............................................................................................................................. 19
Computer major components .............................................................................................................................. 19
Display components ............................................................................................................................................ 21
Cable Kit ............................................................................................................................................................... 23
Bracket Kit ............................................................................................................................................................ 24
Mass storage devices ........................................................................................................................................... 25
Miscellaneous parts ............................................................................................................................................. 26
4 Removal and replacement procedures preliminary requirements .................................................................... 29
Tools required ...................................................................................................................................................... 29
Service considerations ......................................................................................................................................... 29
Plastic parts ....................................................................................................................................... 29
Cables and connectors ...................................................................................................................... 29
Drive handling ................................................................................................................................... 30
Workstation guidelines ..................................................................................................................... 30
Electrostatic discharge information .................................................................................................................... 30
Generating static electricity .............................................................................................................. 31
Preventing electrostatic damage to equipment ............................................................................... 31
Personal grounding methods and equipment .................................................................................. 32
Grounding the work area ................................................................................................................... 32
vii
Recommended materials and equipment ........................................................................................ 32
Packaging and transporting guidelines .............................................................................................................. 33
5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 34
Component replacement procedures .................................................................................................................. 34
Preparation for disassembly ............................................................................................................. 34
Battery Safe mode ............................................................................................................................ 34
Bottom cover ..................................................................................................................................... 35
Battery ............................................................................................................................................... 36
Memory modules ............................................................................................................................... 37
WLAN/Bluetooth combo card ............................................................................................................ 38
M.2 solid-state drive ......................................................................................................................... 40
Hard drive .......................................................................................................................................... 41
6 Removal and replacement procedures for authorized service provider parts .................................................... 43
Component replacement procedures .................................................................................................................. 43
Speaker assembly ............................................................................................................................. 44
Fan ..................................................................................................................................................... 46
Heat sink ............................................................................................................................................ 47
Power/USB board .............................................................................................................................. 49
TouchPad assembly ........................................................................................................................... 50
Fingerprint sensor assembly ............................................................................................................ 51
Card reader board .............................................................................................................................. 53
RTC battery ........................................................................................................................................ 55
System board .................................................................................................................................... 57
Display assembly ............................................................................................................................... 60
Power connector cable ...................................................................................................................... 67
Keyboard/top cover ........................................................................................................................... 68
7 Computer Setup (BIOS), TPM, and HP Sure Start ............................................................................................. 69
Using Computer Setup ......................................................................................................................................... 69
Starting Computer Setup .................................................................................................................. 69
Navigating and selecting in Computer Setup ................................................................................... 69
Restoring factory settings in Computer Setup ................................................................................. 69
Updating the BIOS ............................................................................................................................. 70
Determining the BIOS version ......................................................................................... 70
Downloading a BIOS update ........................................................................................... 70
Changing the boot order using the f9 prompt .................................................................................. 71
TPM BIOS settings (select products only) ........................................................................................................... 71
Using HP Sure Start (select products only) ......................................................................................................... 72
viii
8 Using HP PC Hardware Diagnostics ................................................................................................................ 73
Using HP PC Hardware Diagnostics Windows (select products only) ................................................................. 73
Downloading HP PC Hardware Diagnostics Windows ....................................................................... 73
Downloading the latest HP PC Hardware Diagnostics Windows version ....................... 74
Downloading HP Hardware Diagnostics Windows by product name or number
(select products only) ..................................................................................................... 74
Installing HP PC Hardware Diagnostics Windows ............................................................................. 74
Using HP PC Hardware Diagnostics UEFI ............................................................................................................. 74
Starting HP PC Hardware Diagnostics UEFI ....................................................................................... 75
Downloading HP PC Hardware Diagnostics UEFI to a USB ash drive .............................................. 75
Downloading the latest HP PC Hardware Diagnostics UEFI version .............................. 75
Downloading HP PC Hardware Diagnostics UEFI by product name or number
(select products only) ..................................................................................................... 75
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only) ............................................. 76
Downloading Remote HP PC Hardware Diagnostics UEFI ................................................................. 76
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version ................. 76
Downloading Remote HP PC Hardware Diagnostics UEFI by product name or
number ............................................................................................................................ 76
Customizing Remote HP PC Hardware Diagnostics UEFI settings .................................................... 76
9 Backing up, restoring, and recovering ........................................................................................................... 78
Backing up information and creating recovery media ........................................................................................ 78
Using Windows tools ......................................................................................................................... 78
Using the HP Cloud Recovery Download Tool to create recovery media (select products only) ..... 78
Restoring and recovery ........................................................................................................................................ 79
Restoring, resetting, and refreshing using Windows tools .............................................................. 79
Recovering using HP Recovery media ............................................................................................... 79
Changing the computer boot order ................................................................................................... 79
10 Specications ............................................................................................................................................ 80
Computer specications ...................................................................................................................................... 80
35.6-cm (14.0-in) display specications ............................................................................................................. 81
Hard drive specications ..................................................................................................................................... 82
Solid-state drive specications ........................................................................................................................... 83
11 Statement of memory volatility .................................................................................................................. 84
Nonvolatile memory usage ................................................................................................................................. 86
Questions and answers ....................................................................................................................................... 88
Using HP Sure Start (select models only) ............................................................................................................ 89
ix
12 Power cord set requirements ...................................................................................................................... 90
Requirements for all countries ............................................................................................................................ 90
Requirements for specic countries and regions ................................................................................................ 91
13 Recycling .................................................................................................................................................. 93
Index ............................................................................................................................................................. 94
x
1 Product description
Table 1-1 Product components and their descriptions
Category Description
Product Name HP ProBook 445 G6 Notebook PC
Processors AMD Ryzen™ processors
Ryzen 7-2700U (2.2 GHz, turbo up to 3.8 GHz), 6 MB L2 + L3 cache, 2400 MHz, quad core, 15 W; Radeon™
RX Vega 10 Graphics
Ryzen 5-2500U (2.0 GHz, turbo up to 3.6 GHz), 6 MB L2 + L3 cache, 2400 MHz, quad core, 15 W; Radeon
Vega 8 Graphics
Ryzen 3-2200U (2.5 GHz, turbo up to 3.4 GHz), 5 MB L2 + L3 cache, DDR4-2400 MHz, dual core, 15 W;
Radeon Vega 3 Graphics
Graphics Integrated Intel UMA Graphics
Integrated with shared video memory (see Processor category)
Supports HD decode, DX12, HDMI 1.4b up to 4K @ 30 Hz
Supports 4 independent displays when on the HP USB-C Dock G4; Max resolution = 4K @ 30 Hz
(DisplayPort 1) or 4K @ 30 Hz (DisplayPort 2)
Supports 4 independent displays when on the HP Thunderbolt Dock (using USB-C); Max resolution = 4K
@30 Hz (DisplayPort 1) or 4K @ 30 Hz (DisplayPort 2)
Supports 4 independent displays when on the HP USB-C Mini Dock; Max. resolution = 4K @30 Hz (HDMI) or
1920 × 1080 @ 60 Hz (VGA)
Supports 4 independent displays when on the HP USB-C Universal Dock; Max. resolution = 4K @ 30 Hz
(DisplayPort 1) or 4K @ 30 Hz (DisplayPort 2)
Panel 35.6 cm (14.0 in), HD (1366 × 768), LED backlight, 220 nits, 45% CG, eDP, slim, anti glare, SVA, narrow
bezel
No camera
HD camera, 1 WLAN antenna
HD camera, 2 WLAN antennas
HD+ IR camera, 2 WLAN antennas
35.6 cm (14.0 in), FHD (1920 × 1080), LED backlight, 220 nits, 45% CG, eDP, slim, anti glare, UWVA,
narrow bezel
No camera
HD camera, 1 WLAN antenna
HD camera, 2 WLAN antennas
HD+ IR camera, 2 WLAN antennas
Memory Two customer-accessible memory module slots supporting up to 16 GB of RAM
Supports dual-channel memory
1
Table 1-1 Product components and their descriptions (continued)
Category Description
PC4-2400, DDR4 SODIMMs
Supports the following congurations:
● 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 storage Supports the following SATA, 7 mm, 2.5-inch hard drives:
● 1 TB, 5400 rpm
● 500 GB, 7200 rpm
Primary M.2 storage Supports the following M.2 2280 solid-state drives:
● 512 GB, PCIe, NVMe, TLC
● 256 GB, PCIe, NVMe, value
● 128 GB, SATA, TLC
Fixed optical drive Supports external USB drive via power port
Audio/Visual Audio controls
Integrated mono microphone (non-camera models only)
Integrated dual-array microphone
Integrated camera (720p HD) (select models only)
Integrated camera (720p HD + IR) (select models only)
Supports WDR (Wide Dynamic Range)
Headphone/microphone combo jack
Ethernet Realtek RTL8111HSH 10/100/1000
S3/S4/S5 wake on LAN with embedded NIC
The following support S3/S4/S5 wake on LAN (via out of band): HP USB-C Universal Dock, HP USB-C Dock
G4, HP Thunderbolt™ Dock, and HP USB-C Mini Dock.
The following support S0/S3/S4/S5 MAPT (via out of band): HP USB-C Universal Dock, HP USB-C Dock G4,
HP Thunderbolt Dock, and HP USB-C Mini Dock.
Wireless Wireless Personal Area Network (PAN) Bluetooth
Bluetooth® 4.2 and Bluetooth 5.0 supported using combo card
Wireless Local Area Network (WLAN) (select models only)
2 Chapter 1 Product description
Integrated WLAN options with dual antennas (M.2 2230 socket PCIe/USB):
● Realtek RTL8822BE 802.11ac 2 × 2 Wi-Fi + Bluetooth 4.2 Combo Adapter
● Realtek RTL8821CE 802.11ac 1 × 1 Wi-Fi + Bluetooth 4.2 Combo Adapter
Table 1-1 Product components and their descriptions (continued)
Category Description
WLAN antennas (congured at bottom of panel on all models)
Supports HP LAN-Wireless Protection (WLAN/LAN switching)
Supports HP Connection Optimizer
Support Static BIOS SAR for Intel modules and Realtek modules
Support for Miracast
Supports WoWLAN S3/S4 AC Mode
External media card Digital Media Reader Slot
Supports SD, SDHC, SDXC
Ports (Input/output) Hot plug/unplug and auto detect
HDMI 1.4b
USB 2.0 + powered port (left)
Two USB 3.1 Gen 1 ports (right)
USB 3.1 Gen 1 Type-C port (PD + DP)
Headphone/microphone combo jack
RJ-45 (Ethernet)
Multi-pin AC port
Sensors Combo chip/accelerometer
Hall sensor
Docking HP Thunderbolt Dock 120 W G2
HP USB-C Dock G4
HP USB-C Universal Dock
HP USB-C Mini Dock
Keyboard/pointing
devices
Power requirements Battery
Keyboard
Backlit and non-backlit, spill-resistant
TouchPad requirements
Microsoft Precision Touchpad Default Gestures Support
FW PTP with Filter Driver
No Hybrid Mode Support
3 cell, 45 Whr, 3.92 Ahr, lithium polymer, soft pack
HP Long Life
HP Fast Charge Technology
AC adapters
3
Table 1-1 Product components and their descriptions (continued)
Category Description
65 W Smart AC adapter, right angle, 4.5 mm
65 W Smart AC adapter, right angle, 4.5 mm, Argentina
65 W Smart AC adapter, right angle, 4.5 mm, EM
65 W straight USB Type-C AC adapter
45 W Smart AC adapter, right angle, 4.5 mm
45 W Smart AC adapter, right angle, 4.5 mm, Argentina
45 W Smart AC adapter, right angle, 2-prong, 4.5 mm (Japan only)
45 W straight USB Type-C AC adapter
Power cords
3-wire plug (C5), 1.8 m, conventional
3-wire plug (C5), 1.0 m, conventional
2-wire plug (C7), 1.0 m, conventional
Duckhead power cord (C5NS), 1.8 m
Duckhead power cord (C5NS), 1.0 m
Duckhead (C5NS)
Security Security lock
Integrated ngerprint sensor (select models only)
TPM 2.0 (Inneon; soldered down)
Hardware enforced rmware protection: HP Hardware Root of Trust
Preboot authentication (password)
Operating system Operating system version
Windows® 10
Preinstalled
Windows 10 Home 64
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 Home 64 Plus Single Language Africa Market PPP
Windows 10 Home 64 Plus Single Language APAC EM PPP
4 Chapter 1 Product description
Windows 10 Home 64 Plus Single Language India Market PPP
Windows 10 Home 64 Plus Single Language Indonesia Market PPP
Windows 10 Home 64 Single Language
Table 1-1 Product components and their descriptions (continued)
Category Description
Windows 10 Home 64 Single Language Africa Market PPP
Windows 10 Home 64 Single Language APAC EM PPP
Windows 10 Home 64 Single Language India Market PPP
Windows 10 Home 64 Single Language Indonesia Market PPP
Windows 10 Pro 64
Windows 10 Pro 64 Chinese Market
Windows 10 Pro 64 StF MSNA Plus
Windows 10 Pro 64 StF MSNA Standard
FreeDOS 3.0
Restore Media
Windows 10 Driver DVD
Windows 10 Professional 64-bit OS DVD
Certied
Microsoft WHQL
Web-only support
Windows 10 Enterprise 64
Serviceability End-user replaceable parts
AC adapter
M.2 solid-state drive
Hard drive
Memory module
WLAN module
5
2 Components
Your computer features top-rated components. This chapter provides details about your components, where
they are located, and how they work.
Right
Table 2-1 Right-side components and their descriptions
Component Description
(1) Audio-out (headphone)/Audio-in (microphone)
combo jack
(2) USB SuperSpeed ports Connect a USB device, such as a cell phone, camera, activity
(3) HDMI port Connects an optional video or audio device, such as a high-
(4) RJ-45 (network) jack/status lights Connects a network cable.
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, see the Regulatory, Safety,
and Environmental Notices.
To access this guide:
▲ Select the Start button, select HP Help and Support, and
then select HP Documentation.
NOTE: When a device is connected to the jack, the computer
speakers are disabled.
tracker, or smartwatch, and provides high-speed data transfer.
denition television, any compatible digital or audio
component, or a high-speed High Denition Multimedia
Interface (HDMI) device.
● Green (left): The network is connected.
● Amber (right): Activity is occurring on the network.
(5) USB Type-C power connector port, SuperSpeed
6 Chapter 2 Components
port, and DisplayPort connector
Connects an AC adapter that has a USB Type-C connector,
supplying power to the computer and, if needed, charging the
computer battery.
– and –
Table 2-1 Right-side components and their descriptions (continued)
Component Description
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.
(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.
● 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.
(7) Power connector Connects an AC adapter.
Right 7
Left
Table 2-2 Left-side components and their descriptions
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) USB powered port Connects and supplies power to a USB device, such as a cell
phone, camera, activity tracker, optical drive, or smartwatch.
(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.
(4) 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.
(5) Drive light ● Blinking white: The hard drive is being accessed.
● Amber: HP 3D DriveGuard has temporarily parked the hard
drive.
8 Chapter 2 Components
Display
NOTE: Refer to the illustration that most closely matches your computer.
Table 2-3 Display components and their descriptions
Component Description
(1) IR camera light (select products only) On: The IR camera is in use.
(2) Internal microphones (1 or 2 depending on model) Record sound.
(3) Camera(s) (select products only) 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) Camera light (select products only) On: One or more cameras are in use.
(5) WLAN antennas* (select products only) Send and receive wireless signals to communicate with wireless local
area networks (WLANs).
*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.
Display 9
Table 2-4 Display components and their descriptions
Component Description
(1) Internal microphones (1 or 2 depending on model) Record sound.
(2) Camera(s) (select products only) Allow(s) you to video chat, record video, and record still images.
(3) Camera light (select products only) On: One or more cameras are in use.
(4) WLAN antennas* (select products only) Send and receive wireless signals to communicate with wireless local
*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.
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.
area networks (WLANs).
10 Chapter 2 Components
Keyboard area
TouchPad
Table 2-5 TouchPad components and their descriptions
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.
Keyboard area 11
Lights
Table 2-6 Lights and their descriptions
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.
● O: 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) 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.
(7) Fn lock light On: The fn key is locked.
12 Chapter 2 Components
Button, speakers, and ngerprint sensor
Table 2-7 Button, speakers, and ngerprint sensor and their descriptions
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 briey to initiate Sleep.
● When the computer is in the Sleep state, press the button briey to exit Sleep
(select products only).
● 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.
(2) Speakers (2) Produce sound.
(3) Fingerprint sensor (select
products only)
Allows a ngerprint logon to Windows, instead of a password logon.
▲ To use the ngerprint sensor, place your nger on the ngerprint sensor until
it reads your ngerprint.
Keyboard area 13
Special keys
Table 2-8 Special keys and their descriptions
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 15.
(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) num lk key Turns the embedded numeric keypad on and o when pressed in combination
with the fn key.
– or –
Turns the embedded numeric keypad on and o.
14 Chapter 2 Components
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 14.
▲ To use an action key, press and hold the key.
Table 2-9 Action keys and their descriptions
Icon Description
Decreases the screen brightness incrementally as long as you hold down the key.
Increases the screen brightness incrementally as long as you hold down the key.
Turns the keyboard backlight o or on.
NOTE: To conserve battery power, turn o this feature.
Plays the previous track of an audio CD or the previous section of a DVD or a Blu-ray Disc (BD).
Starts, pauses, or resumes playback of an audio CD, a DVD, or a BD.
Plays the next track of an audio CD or the next section of a DVD or a BD.
Stops audio or video playback of a CD, a DVD, or a BD.
Decreases speaker volume incrementally while you hold down the key.
Increases speaker volume incrementally while you hold down the key.
Mutes the microphone.
Mutes or restores speaker sound.
Turns the wireless feature on or o.
NOTE: A wireless network must be set up before a wireless connection is possible.
Turns the TouchPad and TouchPad light on and o.
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.
Keyboard area 15
Table 2-9 Action keys and their descriptions (continued)
Icon Description
Initiates Sleep, which saves your information in system memory. The display and other system components
turn o and power is conserved. To exit Sleep, briey press the power button.
CAUTION: To reduce the risk of information loss, save your work before initiating Sleep.
Provides quick access to your Skype for Business calendar.
NOTE: This feature requires Skype® for Business or Lync® 2013 running on Microsoft Exchange or Oce
365® servers.
Turns the screen sharing function on or o.
NOTE: This feature requires Skype for Business or Lync 2013 running on Microsoft Exchange or Oce 365
servers.
● Answers a call.
● Starts a call during a 1-on-1 chat.
● Places a call on hold.
NOTE: This feature requires Skype for Business or Lync 2013 running on Microsoft Exchange or Oce 365
servers.
● Ends a call.
● Declines incoming calls.
● Ends screen sharing.
NOTE: This feature requires Skype for Business or Lync 2013 running on Microsoft Exchange or Oce 365
servers.
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.
Table
2-10 Hot keys and their descriptions
Key Description
C Turns on scroll lock.
E Turns on the insert function.
R Breaks the operation.
S Sends a programing query.
W Pauses the operation.
16 Chapter 2 Components
Bottom
Table 2-11 Bottom components and their descriptions
Component Description
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.
Bottom 17
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.
Table 2-12 Service label components
Component
(1) HP product name
(2) Product ID
(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.
18 Chapter 2 Components
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 18 for details.
Computer major components 19
Table 3-1 Computer major components and their descriptions
Item Description Spare part number
(1) Display panel assembly
NOTE: Display panels are not spared as a whole assembly. They are only spared at a
subcomponent level.
(2) Top cover/keyboard (includes cable)
NOTE: For a detailed list of keyboard country codes, see Keyboard/top cover on page 68.
No backlight L44589-xxx
Backlit L44588-xxx
(3) TouchPad (includes cable) L44580-001
(4) RTC battery L02772-001
(5) Power/USB board
NOTE: The power/USB board cable is available in the Cable Kit using spare part number
L52216-001.
(6) Speaker assembly L44554-001
(7) Fingerprint sensor assembly
NOTE: The ngerprint sensor cable is available in the Cable Kit using spare part number
L52216-001.
(8) Card reader board (includes cable)
NOTE: The card reader board cable is also available in the Cable Kit using spare part number
L52216-001.
L44578-001
L44516-001
L52223-001
(9) System board (includes integrated processor and replacement thermal material)
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating system
xxxxxx-601: Windows 10 operating system
AMD Ryzen 7 2700U processor L55321-xxx
AMD Ryzen 5 2500U processor L52215-xxx
AMD Ryzen 3 2200U processor L52214-xxx
(10) Power connector cable L01048-001
(11) Heat sink (includes replacement thermal material) L52217-001
(12) Fan L44556-001
(13) WLAN module
Realtek RTL8821CE 802.11ac 1 × 1 Wi-Fi + Bluetooth 4.2 Combo Adapter 915621-001
Realtek RTL8822BE 802.11ac 2 × 2 Wi-Fi + Bluetooth 4.2 combination adapter 915623-001
(14) Memory modules (DDR4-2400)
8 GB 937236-855
4 GB L10598-855
(15) M.2 solid-state drive
20 Chapter 3 Illustrated parts catalog
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