AMD is a trademark of Advanced Micro Devices,
Inc. Bluetooth is a trademark owned by its
proprietor and used by HP Inc. under license.
Intel, Celeron, and Pentium are trademarks of
Intel Corporation in the U.S. and other
countries. Microsoft and Windows are
trademarks of the Microsoft group of
companies.
In accordance with Microsoft’s support policy,
HP does not support the Windows 8 or
Windows 7 operating system on products
congured with Intel and AMD 7th generation
and forward processors or provide any
Windows 8 or Windows 7 drivers on
http://www.support.hp.com.
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.
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 or manuals for
your product, go to http://www.hp.com/
support, and select your country. Select Find
your product, and then follow the on-screen
instructions.
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.
First Edition: April 2017
Document Part number: 915575-001
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).
Right ....................................................................................................................................................................... 6
Left ......................................................................................................................................................................... 8
Keyboard area ...................................................................................................................................................... 10
Buttons and ngerprint reader ......................................................................................................... 12
Special keys ....................................................................................................................................... 13
Front ..................................................................................................................................................................... 16
3 Illustrated parts catalog .............................................................................................................................. 18
Computer major components .............................................................................................................................. 18
Mass storage devices ........................................................................................................................................... 25
Miscellaneous parts ............................................................................................................................................. 26
4 Removal and replacement procedures preliminary requirements .................................................................... 27
Service considerations ......................................................................................................................................... 27
Plastic parts ....................................................................................................................................... 27
Cables and connectors ...................................................................................................................... 28
Hard drive .......................................................................................................................................... 46
LED board .......................................................................................................................................... 59
General troubleshooting steps ............................................................................................................................ 75
Identify the issue ............................................................................................................................... 76
1. Understand the issue .................................................................................................. 76
Boot up sequence ......................................................................................... 76
At startup ........................................................................................................................................... 93
During operation ............................................................................................................................... 94
Consulting with HP Service ............................................................................................................... 94
Common issues and possible solutions .............................................................................................................. 95
POST ................................................................................................................................................ 101
No video (with power) ................................................................................................... 101
Stuck power button ...................................................................................................... 137
Additional information ...................................................................................................................................... 137
7 Computer Setup (BIOS), TPM, and HP Sure Start ........................................................................................... 152
Using Computer Setup ....................................................................................................................................... 152
Using HP Sure Start (select products only) ....................................................................................................... 155
ix
8 Using HP PC Hardware Diagnostics (UEFI) ..................................................................................................... 156
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................................. 156
9 Backing up, restoring, and recovering ......................................................................................................... 158
Creating recovery media and backups .............................................................................................................. 158
Creating HP Recovery media (select products only) ....................................................................... 158
Using Windows tools ......................................................................................................................................... 159
Restore and recovery ......................................................................................................................................... 160
Recovering using HP Recovery Manager ........................................................................................ 160
What you need to know before you get started ........................................................... 160
Using the HP Recovery partition (select products only) .............................................. 161
Using HP Recovery media to recover ............................................................................ 161
Changing the computer boot order .............................................................................. 162
Removing the HP Recovery partition (select products only) ....................................... 163
Hard drive specications ................................................................................................................................... 165
Questions and answers ..................................................................................................................................... 172
Using HP Sure Start (select models only) .......................................................................................................... 173
12 Power cord set requirements .................................................................................................................... 174
Requirements for all countries .......................................................................................................................... 174
Requirements for specic countries and regions ............................................................................................. 175
Index ........................................................................................................................................................... 178
x
1Product description
CategoryDescription
Product NameHP ZBook 15 G4 Mobile Workstation
Processors7th Generation Intel® Core™ processors
Intel Core i7-7820HQ 2.9-GHz (turbo up to 3.9-GHz) processor (2400-MHz front-side bus
(FSB), 8.0-MB L3 cache, 45 W)
Intel Core i7-7700HQ 2.8-GHz (turbo up to 3.8-GHz) processor (2400-MHz FSB, 6.0-MB L3
cache, 45 W)
Intel Core i5-7440HQ 2.8-GHz (turbo up to 3.8-GHz) processor (2400-MHz FSB, 6.0-MB L3
cache, 45 W)
Intel Core i5-7300HQ 2.5-GHz (turbo up to 3.5-GHz) processor (2400-MHz FSB, 6.0-MB L3
cache, 45 W)
7th Generation Intel Xeon processors
Intel Xeon E3-1535M v6, 3.1-GHz (turbo up to 4.2-GHz) processor (2400-MHz front-side bus
(FSB), 8.0-MB L3 cache, 45 W)
Intel Xeon E3-1505M v6, 3.0-GHz (turbo up to 4.0-GHz) processor (2133-MHz front-side bus
(FSB), 8.0-MB L3 cache, 45 W)
ChipsetMobile Intel CM238 chipset
GraphicsIntel UMA Graphics - with shared video memory
WWAN antennas (2) (world wide 5 band, congured at top of panel on all units except UHD)
3
CategoryDescription
Supports "No WWAN" option
Supports WWAN after market option
Support for the following WWAN formats:
●
Huawei HP It4132, LTE/HSPA+ 4G w/GPS M.2
●
Fibocom HP hs3210 WW HSPA+ w/o GPS
External media cardsIntegrated SD UHS-II ash media slot (Realtek) - supports SD, SDHC, SDXC
PortsMulti-Pin AC Port
Combination mic-in/stereo headphone jack
(2) USB Type-C (Thunderbolt 3)
RJ-45 (Ethernet)
(1) USB 3.0 Charging Port (S3/S5)
(2) USB 3.0 Ports
HDMI
VGA (Dsub 15 pin) supporting: 1920×1200 external resolution @ 75 Hz, hot plug and unplug
and auto detection for correct output to wide-aspect vs. standard aspect video
DockingSupport for HP Thunderbolt Docking Station
Keyboard/pointing devicesKeyboard
Full-size, chiclet, island-style, backlit (and non-backlit) keyboard with numeric keypad
DuraKeys
Spill resistant with drain
Windows 10 Dual Point (3 pick buttons point stick x 3 pick buttons TouchPad)
(3)USB 3.x SuperSpeed ports (2)Connect a USB device, such as a cell phone, camera, activity
(4)HDMI portConnects an optional video or audio device, such as a high-
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.
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.
6Chapter 2 Components
ComponentDescription
(5)USB Type-C SuperSpeed and Thunderbolt ports
(2)
(6)Power connectorConnects an AC adapter.
(7)Battery lightWhen AC power is connected:
When the computer is on, connect and charge USB devices that
have Type-C connectors, such as cell phones, cameras, activity
trackers, or smartwatches, and provide high-speed data
transfer.
– or –
Connect to various USB, video, HDMI, and LAN devices.
NOTE: Cables and/or adapters (purchased separately) may be
required.
– or –
Connect a display device that has a USB Type-C connector,
providing display output.
NOTE: Your computer may also support a Thunderbolt
docking station.
– or –
Connect a DisplayPort device that has a USB Type-C connector,
providing display output.
●
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.
Right7
Left
ComponentDescription
(1)Security cable slotAttaches 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)RJ-45 (network) jack/status lightsConnects a network cable.
●
Green (right): The network is connected.
●
Blinking amber (left): Activity is occurring on the network.
(3)External monitor portConnects an external VGA monitor or projector.
(4)USB 3.x charging portWhen the computer is on, connects and charges a USB device,
such as a cell phone, camera, activity tracker, or smartwatch,
and provides high-speed data transfer.
(5)Memory card reader (select products only)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.
8Chapter 2 Components
Display
ComponentDescription
(1)WLAN antennas* (2) (internal; select products only) Send and receive wireless signals to communicate with wireless local
(4)Camera light (select products only)On: The camera is in use.
(5)Camera (select products only)Records video and captures photographs. Some models allow you to
*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.
Send and receive wireless signals to communicate with wireless wide
area networks (WWANs).
video conference and chat online using streaming video.
To use the camera:
▲ Type camera in the taskbar search box, and then select
Camera.
Display9
Keyboard area
TouchPad
ComponentDescription
(1)Pointing stickMoves the pointer on the screen.
(2)Left pointing stick buttonFunctions like the left button on an external mouse.
(3)TouchPad on/o button/TouchPad lightTurns the TouchPad on and o.
●
Amber: The TouchPad is o.
●
O: The TouchPad is on.
(4)TouchPad zoneReads your nger gestures to move the pointer or activate
items on the screen.
(5)Left TouchPad buttonFunctions like the left button on an external mouse.
(6)Right pointing stick buttonFunctions like the right button on an external mouse.
(7)Center pointing stick buttonFunctions like the center button on an external mouse.
(8)Center TouchPad buttonFunctions like the center button on an external mouse.
(9)Right TouchPad buttonFunctions like the right button on an external mouse.
10Chapter 2 Components
Lights
ComponentDescription
(1)Power light
(2)Caps lock lightOn: Caps lock is on, which switches the key input to all capital
(3)Microphone mute light
(4)Num lk lightOn: Num lock is on.
(5)Wireless light
(6)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.
letters.
●
Amber: Microphone is o.
●
White: Microphone is on.
●
White: An integrated wireless device, such as a wireless
local area network (WLAN) device and/or a Bluetooth®
device, is on.
●
Amber: All wireless devices are o.
●
Amber: Computer sound is o.
●
White: Computer sound is on.
(7)TouchPad light
●
Amber: The TouchPad is o.
●
O: The TouchPad is on.
Keyboard area11
Buttons and ngerprint reader
ComponentDescription
(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 options in the taskbar search box, and then
select Power Options.
‒ or –
Right-click the Power meter icon and then select
Power Options.
(2)Wireless buttonTurns the wireless feature on or o but does not establish a
12Chapter 2 Components
wireless connection.
A wireless network must be set up before a wireless connection is
possible.
ComponentDescription
(3)Volume mute buttonMutes and restores speaker sound.
(4)Fingerprint reader (select products only)Allows a ngerprint logon to Windows, instead of a password
Special keys
logon.
ComponentDescription
(1)esc keyDisplays system information when pressed in combination with
the fn key.
(2)fn keyExecutes frequently used system functions when pressed in
combination with a function key, the num lk key, the esc key, or
other key.
See Action keys on page 14.
(3)Windows key Opens the Start menu.
NOTE: Pressing the Windows key again will close the Start
menu.
(4)Action keysExecute frequently used system functions.
See Action keys on page 14.
(5)num lk keyAlternates between the navigational and numeric functions on
an integrated numeric keypad.
(6)Integrated numeric keypad A separate keypad to the right of the alphabet keyboard. When
num lk is pressed, the integrated keypad can be used like an
external numeric keypad.
NOTE: If the keypad function is active when the computer is
turned o, that function is reinstated when the computer is
turned back on.
Keyboard area13
Action keys
An action key performs the function indicated by the icon on the key. To determine which keys are on your
product, see Special keys on page 13.
▲
IconDescription
To use an action key, press and hold the key.
Initiates Sleep, which saves your information in system memory. The display and other system components
turn o and power is conserved. To exit Sleep, briey press the power button.
CAUTION: To reduce the risk of information loss, save your work before initiating Sleep.
Turns the keyboard backlight o or on.
NOTE: To conserve battery power, turn o this feature.
Switches the screen image among display devices connected to the system. For example, if a monitor is
connected to the computer, repeatedly pressing the hot key alternates the screen image from computer
display to monitor display to simultaneous display on both the computer and monitor.
Decreases the screen brightness incrementally as long as you hold down the key.
Increases the screen brightness incrementally as long as you hold down the key.
Decreases speaker volume incrementally while you hold down the key.
Increases speaker volume incrementally while you hold down the key.
Mutes the microphone.
NOTE: The action key feature is enabled at the factory. You can disable this feature by pressing and holding
the fn key and the left shift key. The fn lock light will turn on. After you have disabled the action key feature,
you can still perform each function by pressing the fn key in combination with the appropriate action key.
14Chapter 2 Components
Bottom
ComponentDescription
(1)Speakers (2)Produce sound.
(2)Vents (2)Enable airow to cool internal components.
NOTE: The computer fan starts up automatically to cool
internal components and prevent overheating. It is normal
for the internal fan to cycle on and o during routine
operation.
Bottom15
Front
ComponentDescription
(1)Wireless light
(2)Power light
(3)Battery lightWhen AC power is connected:
●
White: An integrated wireless device, such as a
wireless local area network (WLAN) device and/or a
Bluetooth® device, is on.
●
Amber: All wireless devices are o.
●
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.
(4)Drive light
(5)Speakers (2)Produce sound.
16Chapter 2 Components
●
Blinking white: The hard drive is being accessed.
●
Amber: HP 3D DriveGuard has temporarily parked the
hard drive.
Labels
The labels axed to the computer provide information you may need when you troubleshoot system
problems or travel internationally with the computer.
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, or on the back of the display.
●
Service label—Provides important information to identify your computer. When contacting support, you
will probably be asked for the serial number, and possibly for the product number or the model number.
Locate these numbers before you contact support.
Your service label will resemble one of the examples shown below. Refer to the illustration that most
closely matches the service label on your computer.
Component
(1)Model name (select products only)
(2)Serial number
(3)Product number
(4)Warranty period
(5)Model number
●
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.
Labels17
3Illustrated parts catalog
Computer major components
18Chapter 3 Illustrated parts catalog
ItemComponentSpare part number
(1)Display assembly (Touch screen; FHD, UWVA; includes camera)921058-001
(2)Display assembly (Non-touch; UHD, UWVA)
For more display assembly spare part information, see Display assembly subcomponents on page 22
Without camera921059-001
With camera921060-001
(3)Keyboard (backlit; includes TouchPad and keyboard cables)
For a list of keyboard country codes, see Keyboard on page 49.
The pointing stick cable is available in the Cable Kit using spare part number 848244-001.
(4)Top cover (includes thermal pad)928426-001
(5)RTC battery (includes cable and double-sided adhesive)922939-001
(6)TouchPad module
The TouchPad module cable is available in the Cable Kit using spare part number 848244-001.