HP Z4 Maintenance and Service Guide - Page 5

Table of contents

1

Product features

...........................................................................................................................................

1

Standard

conﬁguration

features

...........................................................................................................................

1

Components

...........................................................................................................................................................

2

Front

....................................................................................................................................................

2

Left

.......................................................................................................................................................

4

Rear

......................................................................................................................................................

5

Serial number location

..........................................................................................................................................

7

2

Illustrated parts catalog

................................................................................................................................

8

Computer major components

................................................................................................................................

8

3

Routine care, SATA drive guidelines, and disassembly preparation

....................................................................

9

Electrostatic discharge information

......................................................................................................................

9

Generating static

.................................................................................................................................

9

Preventing electrostatic damage to equipment

...............................................................................

10

Personal grounding methods and equipment

..................................................................................

10

Grounding the work area

...................................................................................................................

10

Recommended materials and equipment

........................................................................................

11

Operating guidelines

...........................................................................................................................................

11

Routine care

.........................................................................................................................................................

12

General cleaning safety precautions

................................................................................................

12

Cleaning the computer case

..............................................................................................................

12

Cleaning the keyboard

.......................................................................................................................

12

Cleaning the monitor

.........................................................................................................................

13

Service considerations

.........................................................................................................................................

13

Tools and software requirements

.....................................................................................................

13

Screws

...............................................................................................................................................

13

Cables and connectors

......................................................................................................................

14

Hard Drives

........................................................................................................................................

14

Lithium coin cell battery

....................................................................................................................

14

SATA hard drives

..................................................................................................................................................

15

SMART ATA drives

................................................................................................................................................

15

4

Removal and replacement procedures

...........................................................................................................

16

Preparation for disassembly

...............................................................................................................................

16

Front bezel

...........................................................................................................................................................

17

v

Section	Page
Product features	9
Standard configuration features	9
Components	10
Front	10
Left	12
Rear	13
Serial number location	15
Illustrated parts catalog	16
Computer major components	16
Routine care, SATA drive guidelines, and disassembly preparation	17
Electrostatic discharge information	17
Generating static	17
Preventing electrostatic damage to equipment	18
Personal grounding methods and equipment	18
Grounding the work area	18
Recommended materials and equipment	19
Operating guidelines	19
Routine care	20
General cleaning safety precautions	20
Cleaning the computer case	20
Cleaning the keyboard	20
Cleaning the monitor	21
Service considerations	21
Tools and software requirements	21
Screws	21
Cables and connectors	22
Hard Drives	22
Lithium coin cell battery	22
SATA hard drives	23
SMART ATA drives	23
Removal and replacement procedures	24
Preparation for disassembly	24
Front bezel	25
Dust filter	26
Access panel	28
I/O assembly	29
Optical drive	30
Storage device	31
Memory fan	32
Front card guide and fan	33
Rear fan	34
Heat sink	35
Processor	36
System board	38
Power supply	40
Computer Setup (F10) Utility	41
Computer Setup (F10) Utilities	41
Using Computer Setup (F10) Utilities	42
Computer Setup–Main	43
Computer Setup—Security	45
Computer Setup—Advanced	47
Recovering the Configuration Settings	51
Troubleshooting without diagnostics	52
Safety and comfort	52
Before you call for technical support	52
Helpful hints	53
Solving general problems	54
Solving power problems	57
Solving hard drive problems	58
Solving media card reader problems	60
Solving display problems	61
Solving audio problems	65
Solving printer problems	67
Solving keyboard and mouse problems	68
Solving hardware installation problems	69
Solving network problems	70
Solving memory problems	72
Solving USB flash drive problems	74
Solving front panel component problems	74
Solving Internet access problems	75
Solving software problems	76
POST error messages and diagnostic front panel LEDs and audible codes	77
POST numeric codes and text messages	78
Interpreting system validation diagnostic front panel LEDs and audible codes	82
Password security and resetting CMOS	85
Resetting CMOS and/or the password jumper	86
Changing a Setup or Power-on password	88
Deleting a Setup or Power-on password	88
Using HP PC Hardware Diagnostics (UEFI)	89
Using HP PC Hardware Diagnostics Windows	89
Downloading HP PC Hardware Diagnostics Windows	90
Downloading the latest HP PC Hardware Diagnostics Windows version	90
Downloading HP Hardware Diagnostics Windows by product name or number (select products only)	90
Installing HP PC Hardware Diagnostics Windows	90
Using HP PC Hardware Diagnostics UEFI	91
Starting HP PC Hardware Diagnostics UEFI	91
Downloading HP PC Hardware Diagnostics UEFI to a USB device	91
Downloading the latest HP PC Hardware Diagnostics UEFI version	92
Downloading HP PC Hardware Diagnostics UEFI by product name or number (select products only)	92
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only)	92
Downloading Remote HP PC Hardware Diagnostics UEFI	92
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version	92
Downloading Remote HP PC Hardware Diagnostics UEFI by product name or number	92
Customizing Remote HP PC Hardware Diagnostics UEFI settings	93
System backup and recovery	94
Backing up, restoring, and recovering in Windows 10	94
Creating recovery media and backups	94
Creating HP Recovery media (select products only)	94
Using Windows tools	95
Restore and recovery	96
Recovering using HP Recovery Manager	96
What you need to know before you get started	96
Using the HP Recovery partition (select products only)	97
Using HP Recovery media to recover	97
Changing the computer boot order	98
Removing the HP Recovery partition (select products only)	98
Battery replacement	99
Statement of memory volatility	102
Nonvolatile memory usage	102
Recommended steps for clearing user data and custom settings	103
Clearing storage drives (hard drive, solid-state drive, NVMe, and other)	104
Questions and answers	105
Using HP Sure Start	105
Specifications	106
Linux technical notes	108
System RAM	108
Audio	109
Hyper-Threading Technology	109
NVIDIA graphics workstations	110
AMD graphics workstations	111

HP Z4 Maintenance and Service Guide - Page 5

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