HP EliteBook 755 G4, EliteBook 745 G4 Maintenance and Service Guide
HP EliteBook 755 G4 Notebook PC
HP EliteBook 745 G4 Notebook PC
Maintenance and Service Guide
© Copyright 2016 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. Microsoft and Windows
are either registered trademarks or trademarks
of Microsoft Corporation in the United States
and/or other countries.
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 of
Windows 10 or Windows 8. This computer may
require upgraded and/or separately purchased
hardware, drivers and/or software to take full
advantage of Windows 10 or Windows 8
functionality. See http://www.microsoft.com
for details.
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 2016
Document Part Number: 902206-001
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 External component identication .................................................................................................................. 6
Right ....................................................................................................................................................................... 6
Left ......................................................................................................................................................................... 8
Display .................................................................................................................................................................... 9
Top ........................................................................................................................................................................ 10
TouchPad ........................................................................................................................................... 10
Lights ................................................................................................................................................. 11
Buttons, speakers, and ngerprint reader ........................................................................................ 14
Special function keys ........................................................................................................................ 16
Using the hot keys ............................................................................................................................. 17
Bottom ................................................................................................................................................................. 19
Front ..................................................................................................................................................................... 20
Locating system information .............................................................................................................................. 20
3 Illustrated parts catalog .............................................................................................................................. 22
Computer major components .............................................................................................................................. 22
Display assembly subcomponents ...................................................................................................................... 25
Plastics kit ............................................................................................................................................................ 26
Mass storage devices ........................................................................................................................................... 27
Miscellaneous parts ............................................................................................................................................. 28
4 Removal and replacement procedures preliminary requirements .................................................................... 30
Tools required ...................................................................................................................................................... 30
Service considerations ......................................................................................................................................... 30
Plastic parts ....................................................................................................................................... 30
Cables and connectors ...................................................................................................................... 31
Drive handling ................................................................................................................................... 31
Grounding guidelines ........................................................................................................................................... 32
Electrostatic discharge damage ........................................................................................................ 32
Packaging and transporting guidelines .......................................................................... 33
Workstation guidelines ................................................................................................... 33
Equipment guidelines ..................................................................................................... 34
vii
5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 35
Component replacement procedures .................................................................................................................. 35
Bottom cover ..................................................................................................................................... 35
Battery ............................................................................................................................................... 40
Hard drive .......................................................................................................................................... 41
SSD ..................................................................................................................................................... 43
Memory modules ............................................................................................................................... 44
WLAN/Bluetooth combo card ............................................................................................................ 46
WWAN module ................................................................................................................................... 48
Keyboard ........................................................................................................................................... 50
6 Removal and replacement procedures for Authorized Service Provider parts ................................................... 53
Component replacement procedures .................................................................................................................. 53
RTC battery ........................................................................................................................................ 54
Internal base plate ............................................................................................................................ 55
Heat sink/fan assembly .................................................................................................................... 58
Fingerprint reader assembly ............................................................................................................. 61
Power button board .......................................................................................................................... 62
Touchpad button board ..................................................................................................................... 65
NFC module ....................................................................................................................................... 67
Smart card reader board ................................................................................................................... 68
USB/VGA board .................................................................................................................................. 70
System board .................................................................................................................................... 71
Speaker assembly ............................................................................................................................. 74
Display assembly ............................................................................................................................... 76
Top cover ........................................................................................................................................... 81
7 Computer Setup (BIOS), TPM, and HP Sure Start in Windows 10 ........................................................................ 82
Using Computer Setup ......................................................................................................................................... 82
Starting Computer Setup .................................................................................................................. 82
Navigating and selecting in Computer Setup ................................................................................... 82
Restoring factory settings in Computer Setup ................................................................................. 82
Updating the BIOS ............................................................................................................................. 83
Determining the BIOS version ......................................................................................... 83
Downloading a BIOS update ........................................................................................... 84
Changing the boot order using the f9 prompt .................................................................................. 84
TPM BIOS settings (select products only) ........................................................................................................... 85
Using HP Sure Start (select products only) ......................................................................................................... 85
viii
8 Computer Setup (BIOS), TPM, and HP Sure Start in Windows 7 ......................................................................... 86
Using Computer Setup ......................................................................................................................................... 86
Starting Computer Setup .................................................................................................................. 86
Navigating and selecting in Computer Setup ................................................................................... 86
Restoring factory settings in Computer Setup ................................................................................. 87
Updating the BIOS ............................................................................................................................. 88
Determining the BIOS version ......................................................................................... 88
Downloading a BIOS update ........................................................................................... 88
Changing the boot order using the f9 prompt .................................................................................. 89
TPM BIOS settings (select products only) ........................................................................................................... 89
Using HP Sure Start (select products only) ......................................................................................................... 90
9 Using HP PC Hardware Diagnostics (UEFI) ....................................................................................................... 91
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................................... 91
10 Backing up and recovering Windows 10 ....................................................................................................... 93
Creating recovery media and backups ................................................................................................................ 93
Creating HP Recovery media (select products only) ......................................................................... 93
Using Windows tools ........................................................................................................................................... 94
Restore and recovery ........................................................................................................................................... 95
Recovering using HP Recovery Manager ........................................................................................... 95
What you need to know before you get started ............................................................. 95
Using the HP Recovery partition (select products only) ................................................. 96
Using HP Recovery media to recover .............................................................................. 96
Changing the computer boot order ................................................................................ 97
Removing the HP Recovery partition (select products only) ......................................... 98
11 Backing up and recovering Windows 7 ......................................................................................................... 99
Creating recovery media and backups ................................................................................................................ 99
Guidelines .......................................................................................................................................... 99
Creating recovery media with HP Recovery Disc Creator ................................................................. 99
Creating recovery media ............................................................................................... 100
Backing up your information .......................................................................................................... 100
Performing a system recovery .......................................................................................................................... 101
Using the Windows recovery tools .................................................................................................. 101
Using f11 recovery tools (select models only) ............................................................................... 102
Using Windows 7 operating system media ..................................................................................... 102
12 Specications .......................................................................................................................................... 104
Input power ........................................................................................................................................................ 104
ix
Operating environment ..................................................................................................................................... 104
13 Power cord set requirements .................................................................................................................... 105
Requirements for all countries .......................................................................................................................... 105
Requirements for specic countries and regions ............................................................................................. 105
14 Statement of memory volatility ................................................................................................................ 107
Nonvolatile memory usage ............................................................................................................................... 109
Questions and answers ..................................................................................................................................... 111
Using HP Sure Start (select models only) .......................................................................................................... 112
15 Recycling ................................................................................................................................................ 113
Index ........................................................................................................................................................... 114
x
1 Product description
Category Description
Product Name HP 755 G4 Notebook PC
HP 745 G4 Notebook PC
Processors
Chipset Integrated with processor
Graphics Internal graphics:
Panel 39.6-cm (15.6-in), eDP 1.2 slim, high-denition (HD), AntiGlare (AG), SVA (1366 x 768) display with and
AMD® processors:
●
A12 Pro-9800B 2.7 GHz (max turbo frequency 3.6 GHz), DDR4-1866, 2 MB L2 Cache, 15 W
●
A12 Pro-8830B 2.1 GHz (max turbo frequency 3.4 GHz), DDR4-1866, 2 MB L2 Cache, 15 W
●
A10 Pro-8730B 1.8 GHz (max turbo frequency 3.2 GHz), DDR4-1866, 2 MB L2 Cache, 15 W
●
A8 Pro-9600B 2.4 GHz (max turbo frequency 3.3 GHz), DDR4-1866, 2 MB L2 Cache, 15 W
AMD UMA graphics (with shared video memory)
AMD Vivid Color Support
Dual-display ports supported through docking solution
Up to three independent displays supported with docking solution
AMD Radeon R7 (A12 Pro-9800B, A12 Pro-8830B)
AMD Radeon R5 (A10 Pro-8730B, A8 Pro-9600B)
without webcam
39.6-cm (15.6-in), eDP 1.2 slim, full high-denition (FHD), AntiGlare (AG), SVA (1920 x 1080) display with and
without webcam
39.6-cm (15.6-in), eDP 1.2 slim, full high-denition (FHD), SVA (1920 x 1080) display with touch and webcam
35.6-cm (14-in), eDP 1.2 slim, high-denition (HD), AntiGlare (AG), SVA (1366 x 768) display with and without
webcam
35.6-cm (14-in), eDP 1.2 slim, full high-denition (FHD), AntiGlare (AG), SVA (1920 x 1080) display with and
without webcam
35.6-cm (14-in), eDP + PSR ultraslim, quarter high-denition (QHD), AntiGlare (AG), UWVA (2560 x 1440)
display with and without webcam
35.6-cm (14-in), eDP 1.2 slim, full high-denition (FHD), SVA (1920 x 1080) display with touch and webcam
All display assemblies include two wireless local area network (WLAN) antenna cables and NFC antenna
WWAN models include two wireless wide area network (WWAN) antenna cables
Memory Two memory module slots
Memory is customer accessible.
DDR3L -12800 (1600 MHz) dual channel support
DDR4 PC4 (1866 MHz) support
Supports up to 16 GB of system RAM
1
Category Description
●
16384 MB (8192 MB×2)
●
12288 MB (8192 MB + 4096 MB) (not available in Brazil on the 35.6-cm)
●
8192 MB (8192 MB×1 or 4096 MB×2)
●
4096 MB (4096 MB×1)
Hard drive HDDs:
Supports 6.35 cm (2.5 in) hard drives in 7.0 mm (.28 in) thicknesses (all hard drives use the same bracket)
Serial ATA
●
1 TB, 5400 rpm, 6.35 mm
●
500 GB, 7200 rpm, 6.35 mm, self-encrypting (FIPS-140-2)
●
500 GB, 7200 rpm, 6.35 mm, self-encrypting (Opal 2)
●
500 GB, 7200 rpm, 6.35 mm
SSDs:
●
M.2 (2280) 512 GB SATA-3 SS TLC (FIPS-140-2) (not available in Brazil on the 35.6-cm)
●
M.2 (2280) 512 GB PCIe NVMe TLC (not available in Brazil on the 35.6-cm)
●
M.2 (2280) 360 GB PCIe-3×4 SS TLC (not available in Brazil on the 35.6-cm)
●
M.2 (2280) 256 GB SATA-3 SS TLC (Opal 2) (not available in Brazil on the 35.6-cm)
●
M.2 (2280) 256 GB NVMe TLC (not available in Brazil on the 35.6-cm)
●
M.2 (2280) 128 GB SATA-3 SS
Audio and video Supports:
HP Bang & Olufsen Audio
Dual-array microphone
Dual speakers
Webcam (720p)
Ethernet
Wireless WLAN
●
Broadcom 5762 10/100/1000 Ethernet NIC with DASH Support
S3/S4/S5 Wake-on-LAN
Integrated wireless local area network (WLAN) options by way of wireless module
Two WLAN antennas built into display assembly
Integrated wireless personal area network (PAN) supported by Bluetooth® 4.0 or Bluetooth 4.2 combo card
Supports the following WLAN formats:
●
Realtek RTL8723BE-VB 802.11bgn solo-band 1x1 Wi-Fi Adapter + BT 4.0 combo adapter
●
Intel Dual Band Wireless-AC 7265 802.11ac non-vPro 2x2 Wi-Fi Adapter + BT 4.2 combo adapter
●
Intel Dual Band Wireless-AC 3168 802.11ac non-vPro 1x1 Wi-Fi Adapter + BT 4.2 combo adapter
Supports no WLAN option
Compatible with Miracast-certied devices
Compatible with HP Sure Connect
2 Chapter 1 Product description
NFC
Category Description
Supports the following NFC formats:
Integrated NFC Galapagos NXP NPC100 12C NCI 10 mm x 25 mm module (not available in Brazil)
NFC antenna
Supports no NFC option
WWAN
Integrated wireless wide area network (WWAN) options by way of wireless module
Two WWAN antennas built into display assembly
Supports the following WWAN formats:
●
HP lt4120 LTE/EVDO/HSPA+ with GPS M.2 Mobile Broadband Module
●
HP lt4132 LTE/HSPA + with GPS M.2 Mobile Broadband Module
●
HP hs3210 WW HSPA+ Mobile Broadband Module (available in China, Japan, Taiwan, Indonesia, Russia,
and Ukraine with non-vPro WLAN only)
Supports no WWAN option
External media cards Memory card reader (SD, SDHC, SDXC)
Ports VGA
USB 3.x charging
USB 3.x
USB Type-C
DisplayPort
RJ-45
Docking connector
Audio-out (headphone)/audio-in (microphone) combo jack
AC port
Keyboard/pointing
devices
Power requirements 65 W HP Smart AC adapter
Security Security lock
Keyboard:
Dura keys, backlit, spill resistant with drain
Spill resistant with drain
TouchPad:
Gestures enabled by default: two-nger scrolling, two-nger pinch-zoom
Taps enabled by default
On/o button
Glass
45 W HP Smart AC adapter
45 W, 2-prong AC adapter
Fingerprint reader
Supports Trusted Platform Module (TPM) 1.2 or 2.0 (Inneon, soldered down)
3
Category Description
Integrated Smart Card reader (active)
Preboot authentication (password, smart card)
Operating system Preinstalled:
●
Windows® 7 Professional 64-bit
●
Windows 7 Home Basic 64-bit Chinese Market (CPPP)
●
Windows 10 Home 64-bit Chinese Market (CPPP)
●
Windows 10 Home 64-bit High-end
●
Windows 10 Home 64 High-end Single Language
●
Windows 10 Home 64-bit High-end Chinese Market
●
Windows 10 Professional 64-bit
●
Windows 10 Professional 64-bit StF MSNA Standard
●
Windows 10 Professional 64-bit StF MSNA High-end
●
Windows 10 Professional 64-bit with downgrade to Windows 7 64-bit
●
Windows 10 Professional 64-bit with downgrade to Windows 7 64-bit Volume License
●
Windows 10 Professional 64-bit with downgrade to Windows 7 64-bit StF MSNA Standard
●
Windows 10 Professional 64-bit with downgrade to Windows 7 64-bit StF MSNA High-End
●
Windows 10 Home 64-bit
●
Windows 10 Home 64-bit Single Language
●
FreeDOS 2.0
Restore Media–DR/SR-DVD
●
Windows 7
●
Windows 10
Restore Media–DR-USB
●
Windows 10
Restore Media–OS-DVD
●
Windows 7 Professional 64-bit
●
Windows 10 Home 64-bit
●
Windows 10 Pro 64-bit
Restore Media–OS-USB
●
Windows 10 Pro 64-bit
Certied
●
Microsoft WHQL
Web-only support
●
Windows 10 Enterprise
●
Windows 7 Pro 64-bit (DDR4 memory only)
●
Windows 7 Enterprise 64-bit (DDR4 memory only)
Serviceability End user replaceable parts:
4 Chapter 1 Product description
Category Description
AC adapter
Battery
Hard drive
SSD
Memory module
WLAN
WWAN
Keyboard
5
2 External component identication
Right
Component Description
(1) USB Type-C charging port Connects a USB device with a Type-C connector and can charge
products such as cell phones, laptops, tablets, and MP3 players,
even when the computer is o.
NOTE: Adapters (purchased separately) may be required.
(2) Dual-Mode DisplayPort Connects an optional digital display device, such as a high-
performance monitor or projector.
(3) Memory card reader Reads optional memory cards that store, manage, share, or
access information.
(4) Audio-out (headphone)/Audio-in (microphone)
combo jack
(5) USB 3.0 port Connects an optional USB device, such as a keyboard, mouse,
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:
1. Type support in the taskbar search box, and then select
the HP Support Assistant app.
‒ or –
Click the question mark icon in the taskbar.
2. Select My PC, select the Specications tab, and then
select User Guides.
NOTE: When a device is connected to the jack, the computer
speakers are disabled.
external drive, printer, scanner or USB hub.
6 Chapter 2 External component identication
Component Description
(6) RJ-45 (network) jack/status lights Connects a network cable.
●
Green (left): The network is connected.
●
Amber (right): Activity is occurring on the network.
(7) Docking connector Connects an optional docking device.
(8) SIM card slot Supports a wireless subscriber identity module (SIM) card. The
SIM card slot is located inside the battery bay.
(9) Power connector Connects an AC adapter.
Right 7
Left
Component Description
(1) Security cable slot Attaches an optional security cable to the computer.
NOTE: The security cable is designed to act as a deterrent, but
it may not prevent the computer from being mishandled or
stolen.
(2) Vents Enable airow to cool internal components.
NOTE: The computer fan starts up automatically to cool
internal components and prevent overheating. It is normal for
the internal fan to cycle on and o during routine operation.
(3) External monitor port Connects an external VGA monitor or projector.
(4) USB 3.0 charging (powered) port Connects an optional USB device, such as a keyboard, mouse,
external drive, printer, scanner or USB hub. Standard USB ports
will not charge all USB devices or will charge using a low current.
Some USB devices require power and require you to use a
powered port.
NOTE: USB charging ports can also charge select models of
cell phones and MP3 players, even when the computer is o.
(5) Smart card reader Supports optional smart cards.
8 Chapter 2 External component identication
Display
Component Description
(1) WLAN antennas* Send and receive wireless signals to communicate with wireless local
area networks (WLANs).
(2) WWAN antennas* Send and receive wireless signals to communicate with wireless wide
area networks (WWANs).
(3) Internal microphones Record sound.
(4) Webcam light On: The webcam is in use.
(5) Webcam Records video and captures photographs. Some models allow you to
video conference and chat online using streaming video.
To use the webcam:
▲ Type camera in the taskbar search box, and then select
Camera.
*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around the
antennas free from obstructions.
For wireless regulatory notices, see the section of the Regulatory, Safety, and Environmental Notices that applies to your country or
region.
To access this guide:
1. Type support in the taskbar search box, and then select the HP Support Assistant app.
‒ or –
Click the question mark icon in the taskbar.
2. Select My PC, select the Specications tab, and then select User Guides.
Display 9
Top
TouchPad
Component Description
(1) Pointing stick (select products only) Moves the pointer and selects or activates items on the screen.
(2) Left pointing stick button (select products only) Functions like the left button on an external mouse.
(3) TouchPad on/o button/TouchPad light Turns the TouchPad on and o.
●
On: The TouchPad is o.
●
O: The TouchPad is on.
(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 (select products
only)
(7) Right TouchPad button Functions like the right button on an external mouse.
Functions like the right button on an external mouse.
10 Chapter 2 External component identication
Lights
NOTE: Refer to the illustration that most closely matches your computer.
Component Description
(1) Power light
(2) Microphone mute light
(3) Num lock light On: Num lock is on.
(4) Wireless light On: An integrated wireless device, such as a wireless local area
(5) Mute light
(6) Caps lock light On: Caps lock is on, which switches the key input to all capital
●
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.
●
Amber: microphone sound is o.
●
O: microphone sound is on.
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.
●
Amber: Computer sound is o.
●
O: Computer sound is on.
letters.
(7) TouchPad light
●
On: The TouchPad is o.
Top 11
Component Description
●
O: The TouchPad is on.
Component Description
(1) Power light
(2) Microphone mute light
(3) Num lock light On: Num lock is on.
(4) Wireless light On: An integrated wireless device, such as a wireless local area
(5) Mute 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.
●
Amber: microphone sound is o.
●
O: microphone sound is on.
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.
●
Amber: Computer sound is o.
●
O: Computer sound is on.
12 Chapter 2 External component identication
Component Description
(6) Caps lock light On: Caps lock is on, which switches the key input to all capital
letters.
(7) TouchPad light
●
On: The TouchPad is o.
●
O: The TouchPad is on.
Top 13
Buttons, speakers, and ngerprint reader
Component Description
(1) Power button
●
When the computer is o, press the button to turn on the
computer.
●
When the computer is on, press the button 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.
▲ Type power in the taskbar search box, and then select
Power and sleep settings.
‒ or –
Right-click the Start button, and then select Power
Options.
(2) Premium speakers (select products only) Produce sound.
(3) Wireless button Turns the wireless feature on or o but does not establish a
14 Chapter 2 External component identication
wireless connection.
Component Description
A wireless network must be set up before a wireless connection is
possible.
(4) Volume mute button Mutes and restores speaker sound.
(5) Fingerprint reader (select products only) Allows a ngerprint logon to Windows, instead of a password
logon.
Top 15
Special function keys
NOTE: Refer to the illustration that most closely matches your computer.
Component Description
(1) esc key Displays system information when pressed in combination with
(2) fn key Executes frequently used system functions when pressed in
the fn key.
combination with a function key, the num lock key, or the esc
key.
See Using the hot keys on page 17.
(3) Windows key Opens the Start menu.
NOTE: Pressing the Windows key again will close the Start
menu.
(4) Embedded numeric keypad A numeric keypad superimposed over the keyboard alphabet
(5) Windows application key Displays options for a selected object.
(6) num lock key Turns the embedded numeric keypad on and o.
keys that enables you to add, subtract, and perform other
numeric tasks. When num lock is on, the keypad can be used like
an external numeric keypad.
16 Chapter 2 External component identication
Component Description
(1) esc key Displays system information when pressed in combination with
(2) fn key Executes frequently used system functions when pressed in
(3) Windows key Opens the Start menu.
(4) num lock key Turns the embedded numeric keypad on and o.
(5) Integrated numeric keypad A separate keypad to the right of the alphabet keyboard that
Using the hot keys
To use a hot key:
the fn key.
combination with a function key, the num lock key, or the esc
key.
See Using the hot keys on page 17.
NOTE: Pressing the Windows key again will close the Start
menu.
enables you to add, subtract, and perform other numeric tasks.
When num lock is on, the integrated keypad can be used like an
external numeric keypad.
▲
Press the fn key, and then press the correct function key represented by the icons below.
Press fn+function key 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.
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 fn+f4 alternates the screen image from computer display to
monitor display to simultaneous display on both the computer and the monitor.
Top 17
Press fn+function key Description
Most external monitors receive video information on the computer using the external VGA video standard.
The fn+f4 hot key can also alternate images among other devices that are receiving video information on the
computer.
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.
18 Chapter 2 External component identication
Bottom
Component Description
(1) Docking connectors Connect an optional docking device.
(2) Vents Enable airow to cool internal components.
NOTE: The computer fan starts up automatically to cool
internal components and prevent overheating. It is normal
for the internal fan to cycle on and o during routine
operation.
Bottom 19
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
●
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.
Locating system information
Important system information is located on the bottom edge of the tablet or on the keyboard base. You may
need the information when travelling internationally or when you contact support:
(1): Serial number
(2): Product number
(3): Model number
(4): Warranty period
20 Chapter 2 External component identication
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