HP Spectre x360 Manual

Maintenance and Service Guide
HP Spectre x360 16 inch 2-in-1 Laptop PC
Model numbers: 16-aa0xxx
SUMMARY
This guide provides maintenance information about such topics as spare parts, removal and replacement of
parts, security, and backing up.

Legal information
© Copyright 2023 HP Development
Company, L.P.
Bluetooth is a trademark owned by its
proprietor and used by HP Inc. under
license. Intel, Arc, Core, and Thunderbolt
are trademarks of Intel Corporation or
its subsidiaries in the U.S. and/or other
countries. Microsoft and Windows are either
registered trademarks or trademarks of
Microsoft Corporation in the United States
and/or other countries. USB Gen4, USB Type-
C, and USB-C are registered trademarks
of USB Implementers Forum. DisplayPort™
and the DisplayPort™ logo are trademarks
owned by the Video Electronics Standards
Association (VESA®) in the United States
and other countries. Miracast and Wi-Fi are
registered trademarks of Wi-Fi Alliance.
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: December 2023
Document Part Number: N74966-001
Product notice
This guide describes features that are
common to most products. Some features
might not be available on your computer.
Not all features are available in all editions or
versions of Windows. Systems might require
upgraded and/or separately purchased
hardware, drivers, software, or BIOS
update to take full advantage of Windows
functionality. Windows is automatically
updated, which is always enabled. High-
speed internet and Microsoft account
required. ISP fees might apply and additional
requirements might apply over time for
updates. See http://www.windows.com. If
your product ships with Windows in S
Mode: Windows in S Mode works exclusively
with apps from the Microsoft Store within
Windows. Certain default settings, features,
and apps cannot be changed. Some
accessories and apps that are compatible
with Windows might not work (including
some antivirus, PDF writers, driver utilities,
and accessibility apps), and performance
might vary, even if you switch out of S
Mode. If you switch to Windows, you cannot
switch back to S Mode. Learn more at
Windows.com/SmodeFAQ.
To access the latest user guides, go to
http://www.hp.com/support, and follow the
instructions to find your product. Then select
Setup & User Guides.
To help us improve this document, please
send any suggestions, comments, or errors
to mailto:hp.doc.f[email protected]. Include
the document part number when submitting
your feedback.
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.

Safety warning notice
Reduce the possibility of heat-related injuries or of overheating the computer by following the practices
described.
WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not
place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a
hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft
surface, such as pillows or rugs or clothing, to block airflow. Also, do not allow the AC adapter to come
into contact with 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 defined by
applicable safety standards.
iii

Table of contents
1 Product description............................................................................................................................................................................................................................. 1
2 Getting to know your computer................................................................................................................................................................................................ 5
Right side ............................................................................................................................................................................................................................................ 5
Left side................................................................................................................................................................................................................................................6
Display ..................................................................................................................................................................................................................................................6
Low blue light mode (select products only)......................................................................................................................................................7
IMAX Enhanced Mode (select products only) ...............................................................................................................................................7
Wake-on-voice (select products only)..................................................................................................................................................................7
Keyboard area.................................................................................................................................................................................................................................8
Touchpad settings and components ..................................................................................................................................................................8
Touchpad settings .................................................................................................................................................................................................8
Adjusting touchpad settings...............................................................................................................................................................8
Turning on the touchpad ........................................................................................................................................................................8
Turning on touchpad gesture control...........................................................................................................................................9
Touchpad components ......................................................................................................................................................................................9
Lights ........................................................................................................................................................................................................................................10
Buttons, speakers, and fingerprint reader..................................................................................................................................................... 11
Special keys......................................................................................................................................................................................................................... 12
Rear ......................................................................................................................................................................................................................................................13
Bottom ...............................................................................................................................................................................................................................................13
Labels ..................................................................................................................................................................................................................................................14
3 Illustrated parts catalog ...............................................................................................................................................................................................................17
Computer major components............................................................................................................................................................................................17
Display assembly subcomponents...............................................................................................................................................................................19
Miscellaneous parts................................................................................................................................................................................................................. 21
4 Removal and replacement procedures preliminary requirements............................................................................................................. 23
Tools required ............................................................................................................................................................................................................................... 23
Service considerations......................................................................................................................................................................................................... 23
Plastic parts........................................................................................................................................................................................................................ 23
Cables and connectors.............................................................................................................................................................................................. 23
Drive handling ................................................................................................................................................................................................................... 23
Electrostatic discharge information.............................................................................................................................................................................24
Generating static electricity....................................................................................................................................................................................24
Preventing electrostatic damage to equipment...................................................................................................................................... 25
Personal grounding methods and equipment........................................................................................................................................... 25
Grounding the work area........................................................................................................................................................................................... 26
Recommended materials and equipment.................................................................................................................................................... 26
iv

Cleaning your computer........................................................................................................................................................................................................27
Enabling HP Easy Clean (select products only).........................................................................................................................................27
Removing dirt and debris from your computer..........................................................................................................................................27
Cleaning your computer with a disinfectant............................................................................................................................................... 28
Caring for wood veneer (select products only) ........................................................................................................................................29
Packaging and transporting guidelines.....................................................................................................................................................................29
Accessing support information ......................................................................................................................................................................................30
5 Removal and replacement procedures for authorized service provider parts................................................................................. 32
Component replacement procedures ....................................................................................................................................................................... 32
Preparation for disassembly.................................................................................................................................................................................. 32
Bottom cover ..................................................................................................................................................................................................................... 32
Battery.................................................................................................................................................................................................................................... 34
Display subcomponents (without removing the display).................................................................................................................. 35
Display assembly............................................................................................................................................................................................................43
System board protective cover.............................................................................................................................................................................47
WLAN module....................................................................................................................................................................................................................48
Speakers...............................................................................................................................................................................................................................49
Solid-state drive...............................................................................................................................................................................................................50
Audio board......................................................................................................................................................................................................................... 52
Fans ..........................................................................................................................................................................................................................................53
Heat sink ...............................................................................................................................................................................................................................54
Infrared (IR) board...........................................................................................................................................................................................................55
System board .....................................................................................................................................................................................................................57
Touchpad ..............................................................................................................................................................................................................................60
Power button/fingerprint reader board...........................................................................................................................................................61
Keyboard...............................................................................................................................................................................................................................63
6 Using Setup Utility (BIOS)...........................................................................................................................................................................................................68
Starting Setup Utility (BIOS)...............................................................................................................................................................................................68
Updating Setup Utility (BIOS).............................................................................................................................................................................................68
Determining the BIOS version...............................................................................................................................................................................68
Preparing for a BIOS update ..................................................................................................................................................................................69
Downloading a BIOS update.......................................................................................................................................................................69
Installing a BIOS update.................................................................................................................................................................................69
7 Backing up, restoring, and recovering.................................................................................................................................................................................71
Backing up information and creating recovery media.....................................................................................................................................71
Using Windows tools for backing up...................................................................................................................................................................71
Using the HP Cloud Recovery Download Tool to create recovery media (select products only)...........................71
Restoring and recovering your system........................................................................................................................................................................71
Creating a system restore .......................................................................................................................................................................................72
Restoring and recovery methods........................................................................................................................................................................72
Recovering using HP Recovery media.............................................................................................................................................................72
Changing the computer boot order ...................................................................................................................................................................73
Using HP Sure Recover (select products only)...........................................................................................................................................73
8 Using HP PC Hardware Diagnostics...................................................................................................................................................................................74
v

Using HP PC Hardware Diagnostics Windows (select products only).................................................................................................74
Using an HP PC Hardware Diagnostics Windows hardware failure ID code........................................................................74
Accessing HP PC Hardware Diagnostics Windows...............................................................................................................................74
Accessing HP PC Hardware Diagnostics Windows from HP Support Assistant..................................................74
Accessing HP PC Hardware Diagnostics Windows from the Start menu (select products only).............75
Downloading HP PC Hardware Diagnostics Windows.........................................................................................................................75
Downloading the latest HP PC Hardware Diagnostics Windows version from HP..............................................75
Downloading the HP PC Hardware Diagnostics Windows from the Microsoft Store........................................75
Downloading HP Hardware Diagnostics Windows by product name or number (select products
only) ................................................................................................................................................................................................................................75
Installing HP PC Hardware Diagnostics Windows...................................................................................................................................76
Using HP PC Hardware Diagnostics UEFI .................................................................................................................................................................76
Using an HP PC Hardware Diagnostics UEFI hardware failure ID code...................................................................................76
Starting HP PC Hardware Diagnostics UEFI................................................................................................................................................76
Starting HP PC Hardware Diagnostics UEFI through HP Hotkey Support software (select products
only)............................................................................................................................................................................................................................................77
Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive....................................................................................77
Downloading the latest HP PC Hardware Diagnostics UEFI version..............................................................................78
Downloading HP PC Hardware Diagnostics UEFI by product name or number (select products
only) ................................................................................................................................................................................................................................78
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only)....................................................................78
Downloading Remote HP PC Hardware Diagnostics UEFI ................................................................................................................78
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version..........................................................78
Downloading Remote HP PC Hardware Diagnostics UEFI by product name or number.................................78
Customizing Remote HP PC Hardware Diagnostics UEFI settings............................................................................................ 79
9 Specifications....................................................................................................................................................................................................................................80
Computer specifications.....................................................................................................................................................................................................80
Display specifications............................................................................................................................................................................................................80
Solid-state drive specifications .......................................................................................................................................................................................81
10 Power cord set requirements ............................................................................................................................................................................................... 82
Requirements for all countries ........................................................................................................................................................................................ 82
Requirements for specific countries and regions.............................................................................................................................................82
11 Recycling...............................................................................................................................................................................................................................................84
Index................................................................................................................................................................................................................................................................85
vi

Product description1
This table provides detailed product information.
Table 1-1 Product components and their descriptions
Category Description
Product Name HP Spectre x360 16 inch 2-in-1 Laptop PC
Model numbers: 16-aa0xxx
CTO model number: 16t-aa000
Processors Intel® Core® Ultra 7 155H (4.8 GHz, 16 cores, 24 MB Intel Smart Cache, 28 W)
Graphics Internal graphics
Intel Arc™ Integrated Graphics
Discrete graphics
NVIDIA® GeForce™ RTX 4050
Display 16.0 in (40.6 cm), direct bonding, active matrix organic light-emitting diode (AMOLED), augmented reality
(AR) very high resolution (VHR), DBTS
2.8K (2880 × 1800), 100% DCI-P3, BrightView, narrow bezel, low blue light, ultrawide viewing angle (UWVA),
embedded DisplayPort™ (eDP) 1.4 + panel self-refresh (PSR), 400 nits, touch screen, 120 Hz (VRR)
WQXGA (2560 × 1600) antiglare, low blue light, UWVA, 100% sRGB, 400 nits, 120 Hz (VRR)
Memory Integrated, not customer accessible or upgradeable, supporting 32 GB or 16 GB of RAM
LPDDR5x-6400
Primary storage PCIe, Non-Volatile Memory express (NVMe), M.2 2280 solid-state drives
2 TB, PCIe-4 × 4, triple layer cell (TLC)
2 TB, PCIe-4 × 4, TLC (only available in China)
1 TB, PCIe-4 × 4, TLC
1 TB, PCIe-4 × 4, TLC (only available in China)
512 GB, PCIe-4 × 4, TLC
512 GB, PCIe-4 × 4, TLC (only available in China)
Product description 1

Table 1-1 Product components and their descriptions (continued)
Category Description
Audio and video Quad speakers
Supports speaker swap
Supports Alexa
Supports HP Presence 2.0
Supports DTS:X Ultra
Support for HP Audio Boost 2.0
Supports XiaoWei
Supports Cortana (far field)
Supports Poly Studio
Video HP Wide Vision 9 MP Camera: with shutter door, indicator LED, 1× infrared (IR) LED, MIPI, 9 MP BSI sensor,
f1.8, WDR/TNR, 88° wide field-of-view (WFOV)
Dual-array digital microphone with appropriate software: beam forming, echo cancellation, noise
suppression
Supports Windows Hello
Wireless Compatible with Miracast® devices
Supports Modern Standby (Connected)
Intel Bluetooth® Audio Offload
Wi-Fi BIOS SAR
WLAN Time Average SAR (TAS)
Dynamic antenna gain
UNII-4 5 GHz channel
Bluetooth LE Audio
Integrated wireless module
Intel AX211 Wi-Fi® 6E Bluetooth 5.3 WLAN
Intel Wi-Fi 7 BE200 + Bluetooth 5.4 (802.11be 2 × 2, 320 MHz)
Ports Audio-out (headphone)/audio-in (microphone) combo jack
HDMI 2.1 out
USB 3.1 Gen 2 Type-C® (left side, supports HP Sleep & Charge)
(2) USB Gen4® Type-C Thunderbolt™ (right side), supports:
●Thunderbolt 3 and Thunderbolt 4
●Data transfer
●Power Delivery 3.0
●HP Sleep & Charge
●DisplayPort 2.1 (2 × 4 K, 2 × 5 K, 1 × 8 K output) through USB-C adapter
●HDMI 2.1 out up to 8K @ 60 Hz with HDCP 2.2 through adapter
2 Chapter 1 Product description

Table 1-1 Product components and their descriptions (continued)
Category Description
Keyboard/pointing
devices
Keyboard
Backlit, island style
Haptic touchpad
Haptics touchpad gestures
Multitouch gestures enabled
Precision touchpad support
Brightness/volume mode switch
Taps enabled as default
Power requirements Battery (polymer, HP Long Life)
6 cell, 83 Whr
HP Fast Charge Technology
Smart AC adapters (USB-C, slim, straight)
140 W
100 W
Power cord
C5, premium, 1 m (3.3 ft), right angle
C5, premium, 1m (3.3 ft) with plug adapter
Security Supports Trusted Platform Module (TPM) 2.0, discrete
Microphone mute
Camera privacy cover
Fingerprint reader
Sensors Accelerometer + Gyroscope + eCompass
Accelerometer ×2
AI chip
IR thermal sensor
Operating system Windows® 11 Pro
Windows 11 Pro High End
Windows 11 Pro High End China
Windows 11 Pro China
Windows 11 Pro Value
Windows 11 Pro Value China
Windows 11 Pro Entry
Product description 3

Table 1-1 Product components and their descriptions (continued)
Category Description
Operating system Windows 11 Pro Entry China
Windows 11 Home 64 Desktop AIO Chinese Market CPPP
Windows 11 Home in S Mode for Developed Markets (ML)
Windows 11 Home in S Mode for Emerging Markets (EM/SL)
Windows 11 Home in S Mode for China Market
Windows 11 Home in S Mode for APAC Markets
Windows 11 Home in S Mode for Africa Markets
Windows 11 Home in S Mode for Indonesia Market
Windows 11 Home in S Mode for India Market
Windows 11 Home for Developed Market (ML)
Windows 11 Home for Developed Market (ML)
Windows 11 Home for Emerging Market (EM/SL)
Windows 11 Home for China Market
Windows 11 Home for India Market
Windows 11 Home for Indonesia Market
Windows 11 Home for APAC Market
Windows 11 Home for Africa PPP Market
Serviceability End user replaceable parts
AC adapter
4 Chapter 1 Product description

Getting to know your computer2
Your computer features top-rated components. This chapter provides details about your components,
where they are located, and how they work.
Right side
Identify the components on the right side of the computer.
Table 2-1 Right-side components and their descriptions
Component Description
(1) USB Type-C® power connectors and
Thunderbolt™ ports with HP Sleep and
Charge and DisplayPort™ output (2)
Connect an AC adapter that has a USB Type-C connector,
supplying power to the computer and, if needed, charging the
computer battery.
– and –
Connect USB devices, provide high-speed data transfer, and
charge small devices (such as a smartphone), even when the
computer is off.
NOTE: Use a standard USB Type-C charging cable or cable
adapter (purchased separately) when charging a small
external device.
– and –
Connect display devices that have a USB Type-C connector,
providing DisplayPort output.
NOTE: Your computer might also support a Thunderbolt
docking station.
(2) AC adapter and battery light ●White: The AC adapter is connected and the battery is
fully charged.
●Blinking amber: The AC adapter is disconnected and
the battery has reached a low battery level.
●Amber: The AC adapter is connected and the battery is
charging.
●Off: The battery is not charging.
Getting to know your computer 5

Table 2-1 Right-side components and their descriptions (continued)
Component Description
(3) HDMI® port Connects an optional video or audio device, such as a
high-definition television, any compatible digital or audio
component, or a high-speed High-Definition Multimedia
Interface® (HDMI®) device.
Left side
Identify the components on the left side of the computer.
Table 2-2 Left-side components and their descriptions
Component Description
(1) Audio-out (headphone)/Audio-in
(microphone) combo jack
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 Search icon in the taskbar, type HP
Documentation in the search box, and then select HP
Documentation.
NOTE: When a device is connected to the jack, the
computer speakers are disabled.
(2) USB 10 Gbps port with HP Sleep and Charge Connects a USB device, provides high-speed data transfer,
and charges small devices (such as a smartphone), even
when the computer is off.
NOTE: Use a standard USB Type-A charging cable or cable
adapter (purchased separately) when charging a small
external device.
Display
The computer display can include essential components such as speakers, antennas, cameras, and
microphones.
6Chapter 2 Getting to know your computer

Low blue light mode (select products only)
Your computer display is shipped from the factory in low blue light mode for improved eye comfort and
safety. Also, blue light mode automatically adjusts blue light emissions when you are using the computer
at night or for reading.
WARNING! To reduce the risk of serious injury, read the Safety & Comfort Guide . It describes proper
workstation setup and proper posture, health, and work habits for computer users. The Safety &
Comfort Guide also provides important electrical and mechanical safety information. The Safety &
Comfort Guide is available on the web at http://www.hp.com/ergo.
IMAX Enhanced Mode (select products only)
Select computer models are configured with IMAX Enhanced Mode, a solution built into the hardware
and software to enhance the IMAX audio and video experience.
To access the latest setup documentation, go to http://www.hp.com/support and type IMAX in the
Search our knowledge library search box. Select HP Consumer Notebook PCs - Enabling the IMAX
features.
Wake-on-voice (select products only)
Use the wake-on-voice feature to bring the computer out of the Sleep state quickly.
To access the wake-on-voice settings, follow these steps:
1. Select the Search icon in the taskbar, type XiaoWei in the search box, and then select XiaoWei.
2. When the tool opens, scan the QR code with your mobile device, which takes you to the settings
page, where you can select your wake-on-voice features.
3. Follow the on-screen instructions.
NOTE: Allow the XiaoWei app to continue running on the computer.
Low blue light mode (select products only) 7

Table 2-3 Display components and their descriptions
Component Description
(1) Camera lights (2) On: One or more cameras are in use.
(2) Internal microphones (2) Record sound.
(3) Cameras (2) Allow you to video chat, record video, and record still images.
Some cameras also allow a facial recognition logon to Windows®,
instead of a password logon.
NOTE: Camera functions vary depending on the camera
hardware and software installed on your product.
(4) WLAN antennas* (2) 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 Search icon in the taskbar, type HP Documentation in the search box, and then select HP Documentation.
Keyboard area
Keyboards can vary by language.
NOTE: The keyboard area, including the function keys and (select products only) power key, is
disabled in stand, tent, and tablet modes. To enable the keyboard, including the power key, change to
the clamshell mode.
Touchpad settings and components
Learn the touchpad settings and components.
Touchpad settings
Learn how to adjust touchpad settings.
Adjusting touchpad settings
Use these steps to adjust touchpad settings and gestures.
1. Select the Search icon in the taskbar, type touchpad settings in the search box, and then
press enter.
2. Choose a setting.
Turning on the touchpad
Follow these steps to turn on the touchpad.
1. Select Start, select Settings, select Bluetooth & devices, and then select Touchpad.
8Chapter 2 Getting to know your computer

2. Using an external mouse, click the Touchpad button.
If you are not using an external mouse, press the Tab key repeatedly until the pointer rests on the
Touchpad button. Then press the spacebar to select the button.
Turning on touchpad gesture control
The touchpad gesture control feature allows you to customize your touchpad to control screen
brightness and speaker volume.
By default, touchpad gesture control is turned off. Follow these steps to turn on the touchpad gesture
control feature.
1. Go to the myHP app.
2. Select PC Device, and then select Touchpad.
3. Turn on Enable gesture control.
Touchpad components
Identify the touchpad components.
Table 2-4 Touchpad components and their descriptions
Component Description
(1) Touchpad Includes haptic technology that enables you to use the entire
surface of the touchpad to read your finger gestures to move
the pointer or activate items on the screen. Move your finger
on the touchpad to move the mouse pointer. You can also tap
anywhere on the surface of the touchpad with one finger to
perform the left-click action and two fingers to perform the
right-click action.
(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.
Turning on touchpad gesture control 9

Lights
Identify the lights on the computer.
Table 2-5 Lights and their descriptions
Component Description
(1) Caps lock light On: Caps lock is on, which switches the key input to all capital
letters.
(2) Camera privacy light ●On. The camera is off.
●Off. The camera is on.
(3) Mute light ●On: Computer sound is off.
●Off: Computer sound is on.
(4) Microphone mute light ●On: Microphone is off.
●Off: Microphone is on.
(5) Power light ●On: The computer is on.
●Blinking (select products only): The computer is in
the Sleep state, a power-saving state. The computer
shuts off power to the display and other unnecessary
components.
●Off: Depending on your computer model, the computer
is off, in Hibernation, or in Sleep. Hibernation is the
power-saving state that uses the least amount of power.
(6) Fn lock light On: The fn key is locked.
10 Chapter 2 Getting to know your computer

Buttons, speakers, and fingerprint reader
Identify the computer button, speakers, and fingerprint reader.
Table 2-6 Button, speakers, and fingerprint reader and their descriptions
Component Description
(1) Speakers (2) Produce sound.
(2) Fingerprint reader Allows a fingerprint logon to Windows, instead of a password
logon.
■Touch your finger to the fingerprint reader.
IMPORTANT: To prevent fingerprint logon issues, make
sure when you register your fingerprint that all sides of
your finger are registered by the fingerprint reader.
Buttons, speakers, and fingerprint reader 11

Table 2-6 Button, speakers, and fingerprint reader and their descriptions (continued)
Component Description
(3) Power button ●When the computer is off, press the button briefly to
turn on the computer.
●When the computer is on, press the button briefly to
initiate Sleep.
●When the computer is in the Sleep state, press the
button briefly to exit Sleep (select products only).
●When the computer is in Hibernation, press the button
briefly to exit Hibernation.
IMPORTANT: Pressing and holding down the power button
results in the loss of unsaved information.
If the computer has stopped responding and shutdown
procedures are ineffective, press and hold the power button
down for at least 10 seconds to turn off the computer.
To learn more about your power and sleep settings:
■Right-click the Power icon , and then select Power
and sleep settings.
Special keys
Identify the special keys.
Table 2-7 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 specific functions when pressed in combination
with another key.
12 Chapter 2 Getting to know your computer

Table 2-7 Special keys and their descriptions (continued)
Component Description
(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 as defined by the
icon symbols on f1 through f12 function keys.
(5) Power button ●When the computer is off, press the button briefly to
turn on the computer.
●When the computer is on, press the button briefly to
initiate Sleep.
●When the computer is in the Sleep state, press the
button briefly to exit Sleep (select products only).
●When the computer is in Hibernation, press the button
briefly to exit Hibernation.
IMPORTANT: Pressing and holding down the power button
results in the loss of unsaved information.
If the computer has stopped responding and shutdown
procedures are ineffective, press and hold the power button
down for at least 10 seconds to turn off the computer.
To learn more about your power and sleep settings:
■Right-click the Power icon , and then select Power
and sleep settings.
Rear
Identify the rear component.
Table 2-8 Rear component and its description
Component Description
Vent Enables airflow to cool internal components.
NOTE: The computer fan starts up automatically to cool internal
components and prevent overheating. It is normal for the internal fan to
cycle on and off during routine operation.
Bottom
Identify the bottom components.
Rear 13

Table 2-9 Bottom components and their descriptions
Component Description
(1) Speakers (2) Produce sound.
(2) Vent Enables airflow to cool internal components.
NOTE: The computer fan starts up automatically to
cool internal components and prevent overheating. It is
normal for the internal fan to cycle on and off during
routine operation.
Labels
The labels affixed to the computer provide information that you might need when you troubleshoot
system problems or travel internationally with the computer. Labels can 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 might 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 following examples. Refer to the illustration that most
closely matches the service label on your computer.
14 Chapter 2 Getting to know your computer