HP 400 G1 Specification

Maintenance and Service Guide

HP ProDesk 400 G1 Microtower

HP ProDesk 490 G1 Microtower

HP ProDesk 400 G1 Small Form Factor

Development Company, L.P. The information

contained herein is subject to change

without notice.

Microsoft and Windows are U.S. registered

trademarks of the Microsoft group of

companies.

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.

This document contains proprietary

information that is protected by copyright.

No part of this document may be

photocopied, reproduced, or translated to

another language without the prior written

consent of Hewlett-Packard Company.

First Edition (November 2013)

Document Part Number: 742435-001

Product notice

This guide describes features that are

common to most models. Some features may

not be available on your computer.

Not all features are available in all editions

of Windows 8. Your computer may require

upgraded and/or separately purchased

hardware, drivers, and/or software to take

full advantage of Windows 8 functionality.

See

http://www.microsoft.com for details.

This computer may require upgraded and/

or separately purchased hardware and/or a

DVD drive to install the Windows 7 software

and take full advantage of Windows 7

functionality. See

http://windows.microsoft.com/en-us/

windows7/get-know-windows-7 for details.

About This Book

WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily

harm or loss of life.

CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage

to equipment or loss of information.

NOTE: Text set off in this manner provides important supplemental information.

iii

iv About This Book

Table of contents

1 Product features ............................................................................................................... 1

Standard configuration features ................................................................................................. 1

Microtower .............................................................................................................. 1

Small Form Factor ..................................................................................................... 2

Front panel components ............................................................................................................ 3

Microtower (model 400/490) .................................................................................... 3

Small form factor ....................................................................................................... 3

Rear panel components ............................................................................................................ 5

Microtower (model 400) ............................................................................................ 5

Microtower (model 490) ............................................................................................ 6

Small form factor ....................................................................................................... 7

Serial number location .............................................................................................................. 8

Microtower .............................................................................................................. 8

Small Form Factor ..................................................................................................... 8

2 Activating and Customizing the Software .......................................................................... 9

Activating and customizing the software in Windows 7 ................................................................ 9

Activating the Windows operating system .................................................................... 9

Downloading Windows 7 updates ............................................................................ 10

Installing or upgrading device drivers ........................................................................ 10

Customizing the monitor display ............................................................................... 10

Activating and customizing the software in Windows 8 .............................................................. 10

Activating the Windows Operating System ................................................................. 10

Downloading Windows 8 updates ............................................................................ 11

Customizing the monitor display ............................................................................... 11

3 Illustrated parts catalog .................................................................................................. 12

Microtower chassis spare parts ................................................................................................ 12

Computer major components .................................................................................... 12

Cables ................................................................................................................... 15

Misc parts .............................................................................................................. 16

v

Drives .................................................................................................................... 18

Misc boards ........................................................................................................... 18

Sequential part number listing ................................................................................... 19

Small Form Factor chassis spare parts ....................................................................................... 23

Computer major components .................................................................................... 23

Cables ................................................................................................................... 25

Misc parts .............................................................................................................. 26

Drives .................................................................................................................... 27

Misc boards ........................................................................................................... 28

Sequential part number listing ................................................................................... 28

4 Routine care, SATA drive guidelines, and disassembly preparation ................................. 32

Electrostatic discharge information ........................................................................................... 32

Generating static .................................................................................................... 33

Preventing electrostatic damage to equipment ............................................................. 33

Personal grounding methods and equipment .............................................................. 34

Grounding the work area ......................................................................................... 34

Recommended materials and equipment .................................................................... 34

Operating guidelines .............................................................................................................. 35

Routine care .......................................................................................................................... 36

General cleaning safety precautions .......................................................................... 36

Cleaning the Computer Case .................................................................................... 36

Cleaning the keyboard ............................................................................................ 36

Cleaning the monitor ............................................................................................... 37

Cleaning the mouse ................................................................................................. 37

Service considerations ............................................................................................................ 37

Power supply fan .................................................................................................... 37

Tools and software Requirements .............................................................................. 38

Screws ................................................................................................................... 38

Cables and connectors ............................................................................................ 38

Hard Drives ............................................................................................................ 38

Lithium coin cell battery ............................................................................................ 39

SATA hard drives ................................................................................................................... 39

SATA hard drive cables .......................................................................................................... 40

SATA data cable ..................................................................................................... 40

SMART ATA drives ................................................................................................................. 40

Cable management ................................................................................................................ 40

5 Removal and replacement procedures: Microtower ......................................................... 41

Preparation for disassembly .................................................................................................... 41

Access panel ......................................................................................................................... 42

vi

Front bezel ............................................................................................................................ 43

Bezel blanks .......................................................................................................................... 44

Memory ................................................................................................................................ 46

DIMMs .................................................................................................................. 46

DDR3-SDRAM DIMMs .............................................................................................. 46

Populating DIMM sockets (Model 400) ...................................................................... 47

Populating DIMM sockets (Model 490) ...................................................................... 47

Installing DIMMs ..................................................................................................... 48

Expansion cards .................................................................................................................... 50

System board connections – model 400 .................................................................................... 55

System board connections – model 490 .................................................................................... 56

Drives ................................................................................................................................... 57

Drive positions ........................................................................................................ 60

Removing a 5.25-inch drive ..................................................................................... 61

Installing a 5.25-inch drive ....................................................................................... 61

Removing a 3.5-inch device ..................................................................................... 63

Installing a 3.5-inch device (model 400) .................................................................... 65

Installing a 3.5-inch device (model 490) .................................................................... 67

Removing a 3.5-inch hard drive ................................................................................ 68

Installing a 3.5-inch drive ......................................................................................... 69

DisplayPort connector module (490 MT models only) .................................................................. 72

Front I/O assembly ................................................................................................................ 74

Power switch/LED assembly .................................................................................................... 76

Fan sink ................................................................................................................................ 78

Processor .............................................................................................................................. 80

Speaker ................................................................................................................................ 82

Fan ...................................................................................................................................... 84

Power supply ......................................................................................................................... 85

System board ........................................................................................................................ 88

6 Removal and replacement procedures: Small Form Factor ............................................... 90

Preparation for disassembly .................................................................................................... 90

Access panel ......................................................................................................................... 91

Front bezel ............................................................................................................................ 92

Front bezel security ................................................................................................................ 93

Bezel blanks .......................................................................................................................... 94

Memory ................................................................................................................................ 95

DIMMs .................................................................................................................. 95

DDR3-SDRAM DIMMs .............................................................................................. 95

Populating DIMM sockets ......................................................................................... 96

Installing DIMMs ..................................................................................................... 96

vii

Expansion card ...................................................................................................................... 98

System board connections ..................................................................................................... 102

Drives ................................................................................................................................. 103

Drive positions ...................................................................................................... 105

Removing a 3.5-inch device ................................................................................... 106

Installing a 3.5-inch device ..................................................................................... 107

Removing a slim optical drive ................................................................................. 110

Installing a slim optical drive .................................................................................. 111

Removing and replacing a 3.5-inch hard drive ......................................................... 112

Removing a 2.5-inch hard drive .............................................................................. 115

Installing a 2.5-inch hard drive ............................................................................... 115

Power supply ....................................................................................................................... 117

Fan duct ............................................................................................................................. 119

Front I/O assembly .............................................................................................................. 120

Power switch assembly ......................................................................................................... 123

Speaker .............................................................................................................................. 126

Fan sink .............................................................................................................................. 128

Processor ............................................................................................................................ 130

System board ...................................................................................................................... 132

Changing from desktop to tower configuration ........................................................................ 134

7 Computer Setup (F10) Utility ......................................................................................... 135

Computer Setup (F10) Utilities ............................................................................................... 135

Using Computer Setup (F10) Utilities ........................................................................ 136

Computer Setup—File ............................................................................................ 137

Computer Setup—Storage ...................................................................................... 138

Computer Setup—Security ...................................................................................... 140

Computer Setup—Power ........................................................................................ 145

Computer Setup—Advanced .................................................................................. 146

Recovering the Configuration Settings ..................................................................................... 148

8 Troubleshooting without diagnostics ............................................................................. 149

Safety and comfort ............................................................................................................... 149

Before you call for technical support ....................................................................................... 149

Helpful hints ........................................................................................................................ 150

Solving general problems ...................................................................................................... 152

Solving power problems ....................................................................................................... 156

Solving hard drive problems .................................................................................................. 157

Solving media card reader problems ...................................................................................... 160

Solving display problems ...................................................................................................... 161

Solving audio problems ........................................................................................................ 167

viii

Solving printer problems ....................................................................................................... 169

Solving keyboard and mouse problems .................................................................................. 170

Solving Hardware Installation Problems .................................................................................. 172

Solving Network Problems .................................................................................................... 175

Solving memory problems ..................................................................................................... 178

Solving processor problems ................................................................................................... 180

Solving CD-ROM and DVD problems ...................................................................................... 181

Solving USB flash drive problems ........................................................................................... 183

Solving front panel component problems ................................................................................. 184

Solving Internet access problems ............................................................................................ 184

Solving software problems .................................................................................................... 186

9 POST error messages .................................................................................................... 188

POST numeric codes and text messages .................................................................................. 189

Interpreting POST diagnostic front panel LEDs and audible codes .............................................. 197

10 Password security and resetting CMOS ....................................................................... 201

Resetting the password jumper ............................................................................................... 202

Clearing and resetting the CMOS .......................................................................................... 203

11 HP PC Hardware Diagnostics ...................................................................................... 205

Why run HP PC Hardware Diagnostics ................................................................................... 205

How to access and run HP PC Hardware Diagnostics ............................................................... 205

Downloading HP PC Hardware Diagnostics to a USB device ..................................................... 206

12 System backup and recovery ...................................................................................... 207

Backing up, restoring, and recovering in Windows 8.1 or Windows 8 ....................................... 207

Creating recovery media and backups .................................................................... 207

Restoring and recovering using Windows tools ......................................................... 208

Using Reset when the system is not responding .......................................... 208

Recovery using the Windows recovery USB flash drive ............................... 209

Recovery using Windows operating system media (purchased separately) .... 209

Backing up, restoring, and recovering in Windows 7 ............................................................... 210

Creating recovery media ........................................................................................ 210

Creating recovery media using HP Recovery Manager (select models only) ... 211

Creating recovery discs with HP Recovery Disc Creator (select models only) . . 212

Creating recovery discs ............................................................ 212

Backing up your information .................................................................... 213

System Restore ...................................................................................................... 213

System Recovery ................................................................................................... 214

ix

System Recovery when Windows is responding ......................................... 214

System Recovery when Windows is not responding .................................... 215

System Recovery using recovery media (select models only) ......................... 215

Using HP Recovery Disc operating system discs (select models only) ............. 216

Appendix A Battery replacement ..................................................................................... 218

Appendix B Power cord set requirements ........................................................................ 221

General requirements ........................................................................................................... 221

Japanese power cord requirements ........................................................................................ 221

Country-specific requirements ................................................................................................ 222

Appendix C Specifications ................................................................................................ 223

Microtower specifications ...................................................................................................... 223

SFF specifications ................................................................................................................. 224

Index ............................................................................................................................... 226

x

1 Product features

Standard configuration features

Features may vary depending on the model. For a complete listing of the hardware and software

installed in the computer, run the diagnostic utility (included on some computer models only).

Microtower

Standard configuration features

1

Small Form Factor

2 Chapter 1 Product features

Front panel components

Microtower (model 400/490)

Drive configuration may vary by model. Some models have a bezel blank covering one or more drive

bays.

1 5.25-inch Optical Drive (optional) 6 Microphone Connector

2 5.25-inch Half-Height Drive Bay (behind bezel) 7 Hard Drive Activity Light

3 3.5-inch Media Card Reader (optional) 8 USB 3.0 Ports (blue)

4 Dual-State Power Button 9 Headphone Connector

5 USB 2.0 Ports (black)

NOTE: The Power On Light is normally white when the power is on. If it is flashing red, there is a problem with the

computer and it is displaying a diagnostic code.

Small form factor

Drive configuration may vary by model. Some models have a bezel blank covering one or more drive

bays.

Front panel components

3

1 Slim Optical Drive (optional) 5 Headphone Connector

2 USB 2.0 Ports (black) 6 Dual-State Power Button

3 USB 3.0 Ports (blue) 7 Hard Drive Activity Light

4 Microphone Connector 8 3.5-inch Media Card Reader (optional)

NOTE: The Power On Light is normally white when the power is on. If it is flashing red, there is a problem with the

computer and it is displaying a diagnostic code.

4 Chapter 1 Product features

Rear panel components

Microtower (model 400)

1 Power Cord Connector 7 Line-Out Connector for powered audio

devices (green)

2 Power Indicator Light 8 Voltage Select Switch

3

PS/2 Keyboard Connector (purple) 9 PS/2 Mouse Connector (green)

4

Serial Connector 10 RJ-45 Network Connector

5

USB 2.0 Ports (black) 11 VGA Monitor Connector

6

DVI-D Monitor Connector 12 Line-In Audio Connector (blue)

NOTE: An optional second serial port and an optional parallel port are available from HP.

When a graphics card is installed in one of the system board slots, the video connectors on the graphics card and

the integrated graphics on the system board may be used at the same time. However, for such a configuration, only

the display connected to the discrete graphics card will display POST messages.

The system board graphics can be disabled by changing settings in Computer Setup.

Rear panel components

5

Microtower (model 490)

1 Power Cord Connector 8 Line-Out Connector for powered audio

devices (green)

2 Power Indicator Light 9 Voltage Select Switch

3

PS/2 Keyboard Connector (purple) 10 PS/2 Mouse Connector (green)

4

Serial Connector 11 RJ-45 Network Connector

5

USB 3.0 Ports (blue) 12 VGA Monitor Connector

6

USB 2.0 Ports (black) 13 Optional DisplayPort

7

DVI-D Monitor Connector 14 Line-In Audio Connector (blue)

NOTE: An optional second serial port, an optional parallel port, and an optional DisplayPort are available from

HP.

When a graphics card is installed in one of the system board slots, the video connectors on the graphics card and

the integrated graphics on the system board may be used at the same time. However, for such a configuration, only

the display connected to the discrete graphics card will display POST messages.

The system board graphics can be disabled by changing settings in Computer Setup.

6 Chapter 1 Product features

Small form factor

1 PS/2 Mouse Connector (green) 6 Power Cord Connector

2

RJ-45 Network Connector 7 PS/2 Keyboard Connector (purple)

3

Serial Connector 8 DVI-D Monitor Connectors

4

USB 2.0 Ports (black) 9 VGA Monitor Connector

5

Line-In Audio Connector (blue) 10 Line-Out Connector for powered audio

devices (green)

NOTE: An optional second serial port and an optional parallel port are available from HP.

When a graphics card is installed in one of the system board slots, the video connectors on the graphics card and

the integrated graphics on the system board may be used at the same time. However, for such a configuration, only

the display connected to the discrete graphics card will display POST messages.

The system board graphics can be disabled by changing settings in Computer Setup.

Rear panel components

7

Serial number location

Each computer has a unique serial number and a product ID number that are located on the exterior of

the computer. Keep these numbers available for use when contacting customer service for assistance.

Microtower

Small Form Factor

8 Chapter 1 Product features

2 Activating and Customizing the

Software

NOTE: This chapter provides information for both Windows 7 and Windows 8.

Activating and customizing the software in

Windows 7

If your computer was not shipped with a Windows® operating system, some portions of this

documentation do not apply. Additional information is available in online help after you activate the

operating system.

CAUTION: Do not add optional hardware or third-party devices to the computer until the operating

system is successfully activated. Doing so may cause errors and prevent the operating system from

installing properly.

NOTE: Be sure there is a 10.2 cm (4 inch) clearance at the back of the unit and above the monitor to

permit the required airflow.

Activating the Windows operating system

The first time you turn on the computer, the operating system is set up and activated automatically. This

process takes about 5 to 10 minutes. Carefully read and follow the instructions on the screen to

complete the activation.

We recommend that you register your computer with HP during operating system setup so you can

receive important software updates, facilitate support questions, and sign up for special offers.

CAUTION: After the activation process has begun, DO NOT TURN OFF THE COMPUTER UNTIL THE

PROCESS IS COMPLETE. Turning off the computer during the activation process may damage the

software that runs the computer or prevent its proper installation.

NOTE: If the computer shipped with more than one operating system language on the hard drive, the

activation process could take up to 60 minutes.

Activating and customizing the software in Windows 7

9

Downloading Windows 7 updates

Microsoft may release updates to the operating system. To help keep the computer running optimally,

HP recommends checking for the latest updates during the initial installation and periodically

throughout the life of the computer.

1. To set up your Internet connection, click Start > Internet Explorer and follow the instructions

on the screen.

2. After an Internet connection has been established, click the Start > All Programs > Windows

Update.

3. Run Windows Update monthly thereafter.

Installing or upgrading device drivers

When installing optional hardware devices after the operating system installation is complete, you must

also install the drivers for each of the devices.

In Windows 7, if prompted for the i386 directory, replace the path specification with C:\i386, or use

the Browse button in the dialog box to locate the i386 folder. This action points the operating system

to the appropriate drivers.

Obtain the latest support software, including support software for the operating system, from

http://www.hp.com/support. Select your country and language, select Download drivers and

software (and firmware), enter the model number of the computer, and press Enter.

Customizing the monitor display

If you wish, you can select or change the monitor refresh rates, screen resolution, color settings, font

sizes, and power management settings.

For more information, refer to the online documentation provided with the graphics controller utility or

the documentation that came with your monitor.

Right-click on the Windows desktop, then click Personalize to change display settings.

Activating and customizing the software in

Windows 8

Additional information is available in online help after you activate the operating system.

NOTE: Be sure there is a 10.2 cm (4 inch) clearance at the back of the unit and above the monitor to

permit the required airflow.

Activating the Windows Operating System

The first time you turn on the computer, the operating system is set up and activated automatically. This

process takes about 5 to 10 minutes. Carefully read and follow the instructions on the screen to

complete the activation.

10 Chapter 2 Activating and Customizing the Software

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HP 400 G1 Specification

HP 400 G1 Specification

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