HP 600B MT PC User Manual

Maintenance & Service Guide

600B MT PC

© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. Microsoft and Windows are trademarks of Microsoft Corporation in the U.S. and other countries. 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.

Maintenance & Service Guide

600B MT PC First Edition (June 2012) Document Part Number: 702635-001

About This Book

WARNING!

harm or loss of life.

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

CAUTION:

to equipment or loss of information.

NOTE:

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

Text set off in this manner provides important supplemental information.

iii

Table of contents

1 Installing and Customizing the Software ...................................................................................................................

Installing the Operating System ..............................................................................................................

Downloading Microsoft Windows Updates...............................................................................................

Installing or Upgrading Device Drivers (Windows systems)....................................................................

Accessing Disk Image (ISO) Files............................................................................................................

Protecting the Software ...........................................................................................................................

Computer Setup (F10) Utility ...........................................................................................................................................

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

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

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

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

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

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

Serial ATA (SATA) Drive Guidelines and Features ......................................................................................................

SATA Hard Drives .....................................................................................................................................

SATA Hard Drive Cables ..........................................................................................................................

SATA Data Cable.............................................................................................................................

SMART ATA Drives...................................................................................................................................

Hard Drive Capacities ..............................................................................................................................

Identifying the Chassis, Routine Care, and Disassembly Preparation ....................................................................

Chassis Designation ................................................................................................................................

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

Electrostatic Discharge Information ........................................................................................................

Generating Static ...........................................................................................................................

Preventing Electrostatic Damage to Equipment ............................................................................

Personal Grounding Methods and Equipment ...............................................................................

Grounding the Work Area................................................................................................................

Recommended Materials and Equipment ......................................................................................

Operating Guidelines ...............................................................................................................................

Routine Care ............................................................................................................................................

General Cleaning Safety Precautions ............................................................................................

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

Cleaning the Keyboard ...................................................................................................................

Cleaning the Monitor ......................................................................................................................

Cleaning the Mouse .......................................................................................................................

Service Considerations ...........................................................................................................................

Tools and Software Requirements .................................................................................................

Screws............................................................................................................................................

Cables and Connectors .................................................................................................................

Hard Drives ...................................................................................................................................

Lithium Coin Cell Battery ...............................................................................................................

Removal and Replacement Procedures Small Form Factor (MT) Chassis ........................................................

Preparation for Disassembly ....................................................................................................................

Access Panel ...........................................................................................................................................

Front Bezel...............................................................................................................................................

Installing Additional Memory ...................................................................................................................

DIMMs............................................................................................................................................

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

Populating DIMM Sockets .............................................................................................................

Installing DIMMs ............................................................................................................................

Cable Management .................................................................................................................................

Cable Connections .........................................................................................................................

600B MT PC ............................................................................................................

Drives.......................................................................................................................................................

Drive Positions ...............................................................................................................................

Installing and Removing Drives ......................................................................................................

System Board Drive Connections ............................................................................

Removing the Optical Drive.......................................................................................

Removing the Hard Drive ..........................................................................................

Front I/O Assembly .....................................................................................................................................

Power Switch/LED Assembly.....................................................................................................................

System Board ............................................................................................................................................

Battery........................................................................................................................................................

Type 1 Battery Holder ......................................................................................................................

Type 2 Battery Holder ......................................................................................................................

Restore and Recovery .........................................................................................................................................................

Microsoft System Restore .........................................................................................................................

System Recovery ......................................................................................................................................

System Recovery Options ...............................................................................................................

System Recovery from the Windows Start Menu..............................................................................

System Recovery at System Startup.................................................................................................

System Recovery from Recovery Discs............................................................................................

Recovery Discs...........................................................................................................................................

Choosing Recovery Discs.................................................................................................................

Creating Recovery Discs ..................................................................................................................

Computer Diagnostic Features ............................................................................................................................................

Hewlett-Packard Vision Diagnostics...........................................................................................................

Accessing HP Vision Diagnostics .....................................................................................................

Survey Tab ........................................................................................................................................

Test Tab .............................................................................................................................................

Status Tab .........................................................................................................................................

History Tab.........................................................................................................................................

Errors Tab .........................................................................................................................................

Help Tab............................................................................................................................................

Saving and Printing Information in HP Vision Diagnostics ..............................................................

Downloading the Latest Version of HP Vision Diagnostics ..............................................................

Protecting the Software ..............................................................................................................................

Troubleshooting Without Diagnostics .................................................................................................................................

Safety and Comfort .....................................................................................................................................

Before You Call for Technical Support ........................................................................................................

Helpful Hints................................................................................................................................................

Solving General Problems .........................................................................................................................

Solving Diskette Problems ........................................................................................................................

Solving Hard Drive Problems ....................................................................................................................

Solving Media Card Reader Problems.......................................................................................................

Solving Display Problems .........................................................................................................................

Solving Audio Problems ............................................................................................................................

Solving Printer Problems ..........................................................................................................................

Solving Keyboard and Mouse Problems ..................................................................................................

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

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

Solving Memory Problems .......................................................................................................................

Solving CD-ROM and DVD Problems ......................................................................................................

Solving USB Flash Drive Problems ..........................................................................................................

Solving Front Panel Component Problems ..............................................................................................

Solving Internet Access Problems ............................................................................................................

Solving Software Problems ......................................................................................................................

Contacting Customer Support ..................................................................................................................

vii

POST Error Messages ..........................................................................................................................................................

POST Text Messages ...............................................................................................................................

Interpreting POST Diagnostic Audible Codes...........................................................................................

Password Security and Resetting CMOS ..................................................................................................................

Resetting the Password Jumper .............................................................................................................

Clearing and Resetting the CMOS...........................................................................................................

Appendix A

Connector Pin Assignments ........................................................................................................................

Ethernet BNC .........................................................................................................................................

USB ........................................................................................................................................................

Microphone .............................................................................................................................................

Headphone .............................................................................................................................................

Line-in Audio ..........................................................................................................................................

Line-out Audio.........................................................................................................................................

4-Pin Power (for CPU) ...........................................................................................................................

Monitor ..................................................................................................................................................

24-Pin Power .........................................................................................................................................

PCI Express ..........................................................................................................................................

Appendix B

Power Cord Set Requirements ................................................................................................................

General Requirements..........................................................................................................................

Japanese Power Cord Requirements ...................................................................................................

Country-Specific Requirements ............................................................................................................

Appendix C

Specifications ..................................................................................................................................................

600B MT PC models .............................................................................................................................

viii

1 Installing and Customizing the

Software

If your computer was not shipped with a Microsoft operating system, some portions of this documentation do not apply. Additional information is available in online help after you install the operating system.

NOTE:

If the computer was shipped with Windows 7 loaded, you will be

prompted to register the computer with HP Total Care before installing the operating system. You will see a brief movie followed by an online registration form. Fill out the form, click the follow the instructions on the screen.

CAUTION:

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

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

Begin

button, and

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.

Installing the Operating System

The first time you turn on the computer, the operating system is installed automatically. This process takes about 5 to 10 minutes, depending on which operating system is being installed. Carefully read and follow the instructions on the screen to complete the installation.

CAUTION:

THE PROCESS IS COMPLETE. Turning off the computer during the installation process may damage thesoftware that runs the computer or prevent its proper installation.

NOTE:

installation process could take up to 60 minutes.

If your computer was not shipped with a Microsoft operating system, some portions of this documentation do not apply. Additional information is available in online help after you install the

Once the automatic installation has begun, DO NOT TURN OFF THE COMPUTER UNTIL

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

operating system.

Downloading Microsoft Windows Updates

To set up your Internet connection, click

on the screen.

Once an Internet connection has been established, click the

Select the

Click on the

In Windows 7, the sure all critical updates are selected. Click the screen. It is recommended that you install all of the critical updates and service packs.

After the updates have been installed, Windows will prompt you to reboot the machine. Be sure to

save any files or documents that you may have open before rebooting. Then select the machine.

All Programs

Windows Update

menu.

Windows Update

link.

Start

Internet Explorer

screen appears. Click

Install

button and follow the instructions on the

and follow the instructions

Start

button.

view available updates

and make

Installing or Upgrading Device Drivers (Windows systems)

When installing optional hardware devices after the operating system installation is complete, you must also install the drivers for each of the devices.

Yes

to reboot

If prompted for the i386 directory, replace the path specification with C:\i386, or use the 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

software (and firmware)

, enter the model number of the computer, and press Enter.

Accessing Disk Image (ISO) Files

There are disk image files (ISO files) included on your PC that contain the installation software for additional software. These CD image files are located in the folder C:\SWSetup\ISOs. Each .iso file can be burned to CD media to create an installation CD. It is recommended that these disks be created and the software installed in order to get the most from your PC. The software and image file names are:

● Cyberlink PowerDVD SD and BD – installation software for WinDVD – used to play DVD movies

● HP Insight Diagnostics OR Vision Diagnostics – software to perform diagnostic activities on your

Protecting the Software

To protect the software from loss or damage, keep a backup copy of all system software, applications, and related files stored on the hard drive. Refer to the operating system or backup utility documentation

Browse

Download drivers and

for instructions on making backup copies of your data files.

Computer Setup (F10) Utility

Computer Setup (F10) Utilities

Use Computer Setup (F10) Utility to do the following:

● Change factory default settings.

● Set the system date and time.

● Set, view, change, or verify the system configuration, including settings for processor, graphics,

memory, audio, storage, communications, and input devices.

● Modify the boot order of bootable devices such as hard drives, optical drives, or USB flash media

devices.

● Select Post Messages Enabled or Disabled to change the display status of Power-On Self-Test

(POST) messages. Post Messages Disabled suppresses most POST messages, such as memory count, product name, and other non-error text messages. If a POST error occurs, the error is displayed regardless of the mode selected. To manually switch to Post Messages Enabled during POST, press any key (except F1 through F12).

● Enter the Asset Tag or property identification number assigned by the company to this computer.

● Enable the power-on password prompt during system restarts (warm boots) as well as during

power-on.

● Establish a setup password that controls access to the Computer Setup (F10) Utility and the settings

described in this section.

● Secure integrated I/O functionality, including the serial, USB, or parallel ports, audio, or

embedded NIC, so that they cannot be used until they are unsecured.

● Enable or disable removable media boot ability.

● Solve system configuration errors detected but not automatically fixed during the Power-On Self-

Test (POST).

● Replicate the system setup by saving system configuration information on a USB device and

restoring it on one or more computers.

● Execute self-tests on a specified ATA hard drive (when supported by drive).

Using Computer Setup (F10) Utilities

Computer Setup can be accessed only by turning the computer on or restarting the system. To access the Computer Setup Utilities menu, complete the following steps:

Turn on or restart the computer. If you are in Microsoft Windows, click

Restart

Press either Esc or F10 while the ”Press the ESC key for Startup Menu” message is displayed at the

bottom of the screen. Pressing Esc displays a menu that allows you to access different options available at startup.

NOTE:

again press Esc or F10 when the monitor light turns green to access the utility.

If you pressed Esc, press F10 to enter Computer Setup.

A choice of five headings appears in the Computer Setup Utilities menu: File, Storage, Security,

Power, and Advanced.

Use the arrow (left and right) keys to select the appropriate heading. Use the arrow (up and down)

keys to select the option you want, then press Enter. To return to the Computer Setup Utilities menu, press Esc.

If you do not press Esc or F10 at the appropriate time, you must restart the computer and

Start

Shut Down

To apply and save changes, select

● If you have made changes that you do not want applied, select

Exit

● To reset to factory settings or previously saved default settings (some models), select

Defaults and Exit

. This option will restore the original factory system defaults.

File

Save Changes and Exit

Ignore Changes and

Apply

CAUTION:

(F10) changes because the CMOS could become corrupted. It is safe to turn off the computer only after exiting the F10 Setup screen.

Do NOT turn the computer power OFF while the BIOS is saving the Computer Setup

Table 2-1 Computer Setup (F10) Utility

Heading

File Computer Setup—File on page 5 Storage Computer Setup—Storage on page 6 Security Computer Setup—Security on page 8 Power Computer Setup—Power on page 10 Advanced Computer Setup—Advanced on page 10

Table

Computer Setup—File

NOTE:

Support for specific Computer Setup options may vary depending on the hardware

configuration.

Table 2-2

Option System Information

About

Computer Setup—File

Lists:

Displays copyright notice.

Description

● Product name

● SKU number (some models)

● Processor type/speed/stepping

● Cache size (L1/L2/L3) (dual core processors have this listed twice)

● Installed memory size/speed, number of channels (single or dual) (if applicable)

● Integrated MAC address for embedded, enabled NIC (if applicable)

● System BIOS (includes family name and version)

● Chassis serial number

Set Time and Date Apply Defaults and Exit Ignore Changes and Exit Save Changes and Exit

Exits Computer Setup without applying or saving any changes.

Allows you to set system time and date.

Applies the currently selected default settings and clears any established passwords.

Saves changes to system configuration or default settings and exits Computer Setup.

Computer Setup—Storage

NOTE:

Support for specific Computer Setup options may vary depending on the hardware

configuration.

Table 2-3

Option Device Configuration

Computer Setup—Storage

Description

Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information and options are displayed. The following options may be presented:

CD-ROM Hard Disk

: model, firmware version, serial number.

: Size, model, firmware version, serial number. Lets you select the translation mode to be used for the device. This enables the BIOS to access disks partitioned and formatted on other systems and may be necessary for users of older versions of UNIX (e.g., SCO UNIX version 3.2). Options are Automatic, Bit-Shift, LBA Assisted, User, and Off.

Available only when the drive translation mode is set to User, allows you to specify the parameters (logical cylinders, heads, and sectors per track) used by the BIOS to translate disk

I/O requests (from the operating system or an application) into terms the hard drive can accept. Logical cylinders may not exceed 1024. The number of heads may not exceed 256. The number of sectors per track may not exceed 63.

CAUTION: Ordinarily, the translation mode selected automatically by the BIOS should not

be changed. If the selected translation mode is not compatible with the translation mode that was active when the disk was partitioned and formatted, the data on the disk will be inaccessible.

Diskette

: Model and firmware version.

NOTE: Displays for USB diskette drives.

Table 2-3

Storage Options

DPS Self-Test

Boot Order

Computer Setup—Storage (continued)

SATA Emulation

Allows you to choose how the SATA controller and devices are accessed by the operating system. There are three supported options: IDE, RAID, and AHCI (default).

IDE - This is the most backwards-compatible setting of the three options. Operating systems usually do not require additional driver support in IDE mode.

AHCI (default option) - Allows operating systems with AHCI device drivers loaded to take advantage of more advanced features of the SATA controller.

NOTE: The RAID/AHCI device driver must be installed prior to attempting to boot from a RAID/

AHCI volume. If you attempt to boot from a RAID/AHCI volume without the required device driver installed, the system will crash (blue screen). RAID volumes may become corrupted if they are booted to after disabling RAID.

NOTE: RAID is not available on USDT systems.

Allows you to execute self-tests on ATA hard drives capable of performing the Drive Protection System (DPS) self-tests.

NOTE: This selection will only appear when at least one drive capable of performing the DPS selftests

is attached to the system. Allows you to:

●

Specify the order in which EFI boot sources (such as a internal hard drive, USB hard drive,

USB optical drive, or internal optical drive) are checked for a bootable operating system image. Each device on the list may be individually excluded from or included for consideration as a bootable operating system source. EFI boot sources always have precedence over legacy boot sources.

●

Specify the order in which legacy boot sources (such as a network interface card, internal

hard drive, USB optical drive, or internal optical drive) are checked for a bootable operating system image. Each device on the list may be individually excluded from or included for consideration as a bootable operating system source.

●

Specify the order of attached hard drives. The first hard drive in the order will have priority in

the boot sequence and will be recognized as drive C (if any devices are attached).

NOTE: You can use F5 to disable individual boot items, as well as disable EFI boot and/or

legacy boot.

NOTE: MS-DOS drive lettering assignments may not apply after a non-MS-DOS operating system

has started.

Shortcut to Temporarily Override Boot Order

To boot one time from a device other than the default device specified in Boot Order, restart the computer and press Esc (to access the boot menu) and then F9 (Boot Order), or only F9 (skipping

the boot menu) when the monitor light turns green. After POST is completed, a list of bootable devices is displayed. Use the arrow keys to select the preferred bootable device and press Enter. The computer then boots from the selected non-default device for this one time.

Computer Setup—Security

NOTE: Support for specific Computer Setup options may vary depending on the hardware

configuration.

Table 2-4 Computer Setup—Security

Option Setup Password

Power-On Password

Device Security

Description

Allows you to set and enable a setup (administrator) password.

NOTE: If the setup password is set, it is required to change Computer Setup options, flash the

ROM, and make changes to certain plug and play settings under Windows.

NOTE: This selection will only appear when at least one drive that supports the DriveLock feature

is attached to the system.

See the Desktop Management Guide for more information. Allows you to set and enable a power-on password. The power-on password prompt appears after

a power cycle. If the user does not enter the correct power-on password, the unit will not boot.

NOTE: This selection will only appear when at least one drive that supports the DriveLock feature

is attached to the system.

See the Desktop Management Guide for more information. Allows you to set Device Available/Device Hidden (default is Device Available) for:

●

System audio

●

Network controller

NOTE: You must disable AMT before trying to hide the network controller.

●

SATA0

●

SATA1

●

SATA2 (some models)

●

SATA3 (some models)

●

SATA4 (some models)

Table 2-4

USB Security

Computer Setup—Security (continued)

Slot Security Network Boot

System IDs

System Security

(some models: these options are hardware dependent)

Allows you to set Enabled/Disabled (default is Enabled) for:

●

Front USB Ports

◦

USB Port 1

◦

USB Port 2

◦

USB Port 3

●

Rear USB Ports

◦

USB Port 1

◦

USB Port 2

◦

USB Port 3

◦

USB Port 4 Allows you to disable any PCI or PCI Express slot. Default is enabled. Enables/disables the server. (Feature available on NIC models only; the network controller must be either a PCI expansion card or embedded on the system board.) Default is enabled. Allows you to set:

●

Asset tag (18-byte identifier), a property identification number assigned by the company to the

computer.

●

Ownership tag (80-byte identifier) displayed during POST.

●

Chassis serial number or Universal Unique Identifier (UUID) number. The UUID can only be

updated if the current chassis serial number is invalid. (These ID numbers are normally set in the factory and are used to uniquely identify the system.)

●

Keyboard locale setting for System ID entry. Data Execution Prevention (enable/disable) - Helps prevent operating system security breaches. Default is enabled.

Virtualization Technology (VTx)(some models) (enable/disable) - Controls the virtualization features of the processor. Changing this setting requires turning the computer off and then back on. Default

is disabled.

computer’s

ability to boot from an operating system installed on a network

Virtualization Technology Directed I/O (VTd) (some models) (enable/disable) - Controls virtualization DMA remapping features of the chipset. Changing this setting requires turning the

computer off and then back on. Default is disabled.

NOTE: To enable this option, a Setup password must be set.

Computer Setup—Power

NOTE: Support for specific Computer Setup options may vary depending on the hardware

configuration.

Table 2-5

Option Hardware Power Management

Computer Setup—Power

SATA Power Management Default is enabled.

S5 Maximum Power Savings—Turns off power to all nonessential hardware when system is off to meet EUP Lot 6 requirement of less than 1 Watt power usage. Default is disabled.

Description

–

Enables or disables SATA bus and/or device power management.

Thermal

Fan idle mode—This bar graph controls the minimum permitted fan speed.

NOTE: This setting only changes the minimum fan speed. The fans are still automatically

controlled.

Computer Setup—Advanced

NOTE: Support for specific Computer Setup options may vary depending on the hardware

configuration.

Table 2-6 Computer Setup—Advanced (for advanced users)

Option Power-On Options

BIOS Power-On

Heading

Allows you to set:

●

POST messages (enable/disable). Default is disabled.

●

After Power Loss (off/on/previous state). Default is Power off. Setting this option to:

◦

Power off—causes the computer to remain powered off when power is restored.

◦

Power on—causes the computer to power on automatically as soon as power is restored.

◦

Previous state—causes the computer to power on automatically as soon as power is

restored, if it was on when power was lost.

NOTE: If you turn off power to the computer using the switch on a power strip, you will not be

able to use the suspend/sleep feature or the Remote Management features.

●

POST Delay (in seconds). Enabling this feature will add a user-specified delay to the POST

process. This delay is sometimes needed for hard disks on some PCI cards that spin up very slowly, so slowly that they are not ready to boot by the time POST is finished. The POST delay also gives you more time to select F10 to enter Computer (F10) Setup. Default is None.

Allows you to set the computer to turn on automatically at a time you specify.

Table 2-6

Bus Options

Computer Setup—Advanced (for advanced users) (continued)

Device Options

On some models, allows you to enable or disable:

●

PCI SERR# Generation. Default is enabled.

●

PCI VGA Palette Snooping, which sets the VGA palette snooping bit in PCI configuration

space; only needed when more than one graphics controller is installed. Default is disabled.

Allows you to set:

●

Num Lock State at Power-On (off/on). Default is off.

●

Integrated Video (enable/disable). Use this option to disable the integrated video controller

when another video controller is present in the system. Default is enabled.

●

NIC Option ROM Download (PXE, iSCSI, disabled). The BIOS contains an embedded NIC

option ROM to allow the unit to boot through the network to a PXE server. This is typically used to download a corporate image to a hard drive. The NIC option ROM takes up memory space below 1MB commonly referred to as DOS Compatibility Hole (DCH) space. This space is limited. This F10 option will allow users to disable the downloading of this embedded NIC option ROM thus giving more DCH space for additional PCI cards which may need option ROM space. The default will be to have the NIC option-ROM-enabled. Default is PXE.

Serial ATA (SATA) Drive Guidelines

and Features

NOTE:

HP only supports the use of SATA hard drives on these models of computer. No Parallel ATA

(PATA) drives are supported.

SATA Hard Drives

Serial ATA Hard Drive Characteristics

Number of pins/conductors in data cable 7/7 Number of pins in power cable 15 Maximum data cable length 39.37 in (100 cm) Data interface voltage differential 400-700 mV Drive voltages 3.3 V, 5 V, 12 V Jumpers for configuring drive N/A Data transfer rate 3.0Gb/s and 6.0Gb/s

SATA Hard Drive Cables

SATA Data Cable

Always use an HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the SATA

1.5 Gb/s drives. Current HP desktop products ship with SATA 3.0Gb/s and 6.0Gb/s hard drives.

SATA data cables are susceptible to damage if overflexed. Never crease a SATA data cable and never bend it tighter than a 30 mm (1.18 in) radius.

The SATA data cable is a thin, 7-pin cable designed to transmit data for only a single drive.

SMART ATA Drives

The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard drive. The SMART drive tracks fault prediction and failure indication parameters such as reallocated sector count, spin retry count, and calibration retry count. If the drive determines that a failure is imminent, it generates a fault alert.

Hard Drive Capacities

The combination of the file system and the operating system used in the computer determines the maximum usable size of a drive partition. A drive partition is the largest segment of a drive that may be properly accessed by the operating system. A single hard drive may therefore be subdivided into a number of unique drive partitions in order to make use of all of its space.

Because of the differences in the way that drive sizes are calculated, the size reported by the operating system may differ from that marked on the hard drive or listed in the computer specification. Drive size

calculations by drive manufacturers are bytes to the base 10 while calculations by Microsoft are bytes to the base 2.

Drive/Partition Capacity Limits

Maximum Size

File System

FAT 32 ATA Windows 7 32 GB 2 TB NTFS ATA Windows 7 2 TB 2 TB

Controller Type

Operating System

Partition

Drive

Identifying the Chassis, Routine Care,

and Disassembly Preparation

This chapter provides general service information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service.

CAUTION:

the system board. You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage.

When the computer is plugged into an AC power source, voltage is always applied to

Chassis Designation

Micro Tower chassis are available.

Micro Tower

Electrostatic Discharge Information

A sudden discharge of static electricity from your finger or other conductor can destroy static-sensitive devices or microcircuitry. Often the spark is neither felt nor heard, but damage occurs. An electronic device exposed to electrostatic discharge (ESD) may not appear to be affected at all and can work perfectly throughout a normal cycle. The device may function normally for a while, but it has been degraded in the internal layers, reducing its life expectancy.

Networks built into many integrated circuits provide some protection, but in many cases, the discharge contains enough power to alter device parameters or melt silicon junctions.

Generating Static

The following table shows that:

●

Different activities generate different amounts of static electricity.

●

Static electricity increases as humidity decreases.

Event

Walking across carpet Walking across vinyl floor Motions of bench worker Removing DIPs* from plastic tube Removing DIPs* from vinyl tray Removing DIPs* from Styrofoam Removing bubble pack from PCB Packing PCBs in foam-lined box *These are then multi-packaged inside plastic tubes, trays, or Styrofoam.

NOTE: 700 volts can degrade a product.

55%

7,500 V 3,000 V 400 V 400 V 2,000 V 3,500 V 7,000 V 5,000 V

Relative Humidity

40%

15,000 V 5,000 V

800 V 700 V 4,000 V 5,000 V 20,000 V 11,000 V

10%

35,000 V 12,000 V 6,000 V 2,000 V 11,500 V 14,500 V 26,500 V 21,000 V

Preventing Electrostatic Damage to Equipment

Many electronic components are sensitive to ESD. Circuitry design and structure determine the degree of sensitivity. The following packaging and grounding precautions are necessary to prevent damage to electric components and accessories.

●

To avoid hand contact, transport products in static-safe containers such as tubes, bags, or boxes.

●

Protect all electrostatic parts and assemblies with conductive or approved containers or

packaging.

●

Keep electrostatic sensitive parts in their containers until they arrive at static-free stations.

●

Place items on a grounded surface before removing them from their container.

●

Always be properly grounded when touching a sensitive component or assembly.

●

Avoid contact with pins, leads, or circuitry.

●

Place reusable electrostatic-sensitive parts from assemblies in protective packaging or conductive

foam.

Personal Grounding Methods and Equipment

Use the following equipment to prevent static electricity damage to equipment:

●

Wrist straps are flexible straps with a maximum of one-megohm ±10% resistance in the ground

cords. To provide proper ground, a strap must be worn snug against bare skin. The ground cord must be connected and fit snugly into the banana plug connector on the grounding mat or workstation.

●

Heel straps/Toe straps/Boot straps can be used at standing workstations and are

compatible with most types of shoes or boots. On conductive floors or dissipative floor mats, use them on both feet with a maximum of one-megohm ±10% resistance between the operator and ground.

Static Shielding Protection Levels Method

Antistatic plastic Carbon-loaded plastic Metallized laminate

Voltage

1,500 7,500 15,000

Grounding the Work Area

To prevent static damage at the work area, use the following precautions:

●

Cover the work surface with approved static-dissipative material. Provide a wrist strap connected

to the work surface and properly grounded tools and equipment.

●

Use static-dissipative mats, foot straps, or air ionizers to give added protection.

●

Handle electrostatic sensitive components, parts, and assemblies by the case or PCB laminate.

Handle them only at static-free work areas.

●

Turn off power and input signals before inserting and removing connectors or test equipment.

●

Use fixtures made of static-safe materials when fixtures must directly contact dissipative surfaces.

●

Keep work area free of nonconductive materials such as ordinary plastic assembly aids and

Styrofoam.

●

Use field service tools, such as cutters, screwdrivers, and vacuums, that are conductive.

Recommended Materials and Equipment

Materials and equipment that are recommended for use in preventing static electricity include:

● Antistatic tape

● Antistatic smocks, aprons, or sleeve protectors

● Conductive bins and other assembly or soldering aids

● Conductive foam

● Conductive tabletop workstations with ground cord of one-megohm +/- 10% resistance

● Static-dissipative table or floor mats with hard tie to ground

● Field service kits

● Static awareness labels

● Wrist straps and footwear straps providing one-megohm +/- 10% resistance

● Material handling packages

● Conductive plastic bags

● Conductive plastic tubes

● Conductive tote boxes

● Opaque shielding bags

● Transparent metallized shielding bags

● Transparent shielding tubes

Operating Guidelines

To prevent overheating and to help prolong the life of the computer:

● Keep the computer away from excessive moisture, direct sunlight, and extremes of heat and cold.

● Operate the computer on a sturdy, level surface. Leave a 10.2-cm (4-inch) clearance on all vented

sides of the computer and above the monitor to permit the required airflow.

● Never restrict the airflow into the computer by blocking any vents or air intakes. Do not place the

keyboard, with the keyboard feet down, directly against the front of the desktop unit as this also restricts airflow.

● Occasionally clean the air vents on all vented sides of the computer. Lint, dust, and other foreign

matter can block the vents and limit the airflow. Be sure to unplug the computer before cleaning the air vents.

● Never operate the computer with the cover or side panel removed.

● Do not stack computers on top of each other or place computers so near each other that they are

subject to each other’s re-circulated or preheated air.

● If the computer is to be operated within a separate enclosure, intake and exhaust ventilation must

be provided on the enclosure, and the same operating guidelines listed above will still apply.

● Keep liquids away from the computer and keyboard.

● Never cover the ventilation slots on the monitor with any type of material.

● Install or enable power management functions of the operating system or other software, including

sleep states.

Routine Care

General Cleaning Safety Precautions

Never use solvents or flammable solutions to clean the computer.

Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth and

then use the cloth on the component.

Always unplug the computer when cleaning with liquids or damp cloths.

Always unplug the computer before cleaning the keyboard, mouse, or air vents.

Disconnect the keyboard before cleaning it.

Wear safety glasses equipped with side shields when cleaning the keyboard.

Cleaning the Computer Case

Follow all safety precautions in General Cleaning Safety Precautions on page 18 before cleaning the computer. To clean the computer case, follow the procedures described below:

● To remove light stains or dirt, use plain water with a clean, lint-free cloth or swab.

● For stronger stains, use a mild dishwashing liquid diluted with water. Rinse well by wiping it with

a cloth or swab dampened with clear water.

● For stubborn stains, use isopropyl (rubbing) alcohol. No rinsing is needed as the alcohol will

evaporate quickly and not leave a residue.

● After cleaning, always wipe the unit with a clean, lint-free cloth.

● Occasionally clean the air vents on the computer. Lint and other foreign matter can block the vents

and limit the airflow.

Cleaning the Keyboard

Follow all safety precautions in General Cleaning Safety Precautions on page 18 before cleaning the keyboard. To clean the tops of the keys or the keyboard body, follow the procedures described in Cleaning the

Computer Case on page 18.

When cleaning debris from under the keys, review all rules in General Cleaning Safety Precautions

on page 18 before following these procedures:

CAUTION:

under the keys.

Use safety glasses equipped with side shields before attempting to clean debris from

● Visible debris underneath or between the keys may be removed by vacuuming or shaking.

● Canned, pressurized air may be used to clean debris from under the keys. Caution should be used

as too much air pressure can dislodge lubricants applied under the wide keys.

● If you remove a key, use a specially designed key puller to prevent damage to the keys. This tool

is available through many electronic supply outlets.

CAUTION:

keys are improperly removed or installed, the keyboard may not function properly.

Never remove a wide leveled key (like the space bar) from the keyboard. If these

● Cleaning under a key may be done with a swab moistened with isopropyl alcohol and squeezed

out. Be careful not to wipe away lubricants necessary for proper key functions. Use tweezers to remove any fibers or dirt in confined areas. Allow the parts to air dry before reassembly.

Cleaning the Monitor

● Wipe the monitor screen with a clean cloth moistened with water or with a towelette designed for

cleaning monitors. Do not use sprays or aerosols directly on the screen; the liquid may seep into the housing and damage a component. Never use solvents or flammable liquids on the monitor.

● To clean the monitor body follow the procedures in Cleaning the Computer Case on page 18.

Cleaning the Mouse

Before cleaning the mouse, ensure that the power to the computer is turned off.

● Clean the mouse ball by first removing the retaining plate and the ball from the housing. Pull out

any debris from the ball socket and wipe the ball with a clean, dry cloth before reassembly.

● To clean the mouse body, follow the procedures in Cleaning the Computer Case on page 18.

Service Considerations

Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer.

Tools and Software Requirements

To service the computer, you need the following:

● Torx T-15 screwdriver (HP screwdriver with bits, PN 161946-001)

● Torx T-15 screwdriver with small diameter shank (for certain front bezel removal)

● Flat-bladed screwdriver (may sometimes be used in place of the Torx screwdriver)

● Phillips #2 screwdriver

● Diagnostics software

● HP tamper-resistant T-15 wrench (Smart Cover FailSafe Key, PN 166527-001) or HP

tamperresistant bits (Smart Cover FailSafe Key, PN 166527-002)

Screws

The screws used in the computer are not interchangeable. They may have standard or metric threads and may be of different lengths. If an incorrect screw is used during the reassembly process, it can damage the unit. HP strongly recommends that all screws removed during disassembly be kept with the part that was removed, then returned to their proper locations.

CAUTION:

drives only.

CAUTION:

work area to prevent damage.

Metric screws have a black finish. U.S. screws have a silver finish and are used on hard

As each subassembly is removed from the computer, it should be placed away from the

Cables and Connectors

Most cables used throughout the unit are flat, flexible cables. These cables must be handled with care to avoid damage. Apply only the tension required to seat or unseat the cables during insertion or removal from the connector. Handle cables by the connector whenever possible. In all cases, avoid bending or twisting the cables, and ensure that the cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced.

CAUTION:

during the reassembly process. Improper cable placement can damage the computer.

When servicing this computer, ensure that cables are placed in their proper location

Hard Drives

Handle hard drives as delicate, precision components, avoiding all physical shock and vibration. This applies to failed drives as well as replacement spares.

● If a drive must be mailed, place the drive in a bubble-pack mailer or other suitable protective

packaging and label the package ―”Fragile: Handle With Care.”

● Do not remove hard drives from the shipping package for storage. Keep hard drives in their

protective packaging until they are actually mounted in the computer.

● Avoid dropping drives from any height onto any surface.

● If you are inserting or removing a hard drive, turn off the computer. Do not remove a hard drive

while the computer is on or in standby mode.

● Before handling a drive, ensure that you are discharged of static electricity. While handling a

drive, avoid touching the connector. For more information about preventing electrostatic damage, refer to Electrostatic Discharge Information on page 15

● Do not use excessive force when inserting a drive.

● Avoid exposing a hard drive to liquids, temperature extremes, or products that have magnetic

fields such as monitors or speakers.

Lithium Coin Cell Battery

The battery that comes with the computer provides power to the real-time clock and has a minimum lifetime of about three years. See the appropriate removal and replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures.

WARNING!

battery is handled improperly. Do not disassemble, crush, puncture, short external contacts, dispose in water or fire, or expose it to temperatures higher than 140ºF (60ºC). Do not attempt to recharge the battery.

NOTE:

general household waste. In order to forward them to recycling or proper disposal, please use the public collection system or return them to HP, their authorized partners, or their agents.

This computer contains a lithium battery. There is a risk of fire and chemical burn if the

Batteries, battery packs, and accumulators should not be disposed of together with the

Removal and Replacement

Procedures Micro Tower (MT) Chassis

Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify

that all components operate properly.

NOTE:

Preparation for Disassembly

See Identifying the Chassis, Routine Care, and Disassembly Preparation on page 14 for initial safety procedures.

Not all features listed in this guide are available on all computers.

Remove/disengage any security devices that prohibit opening the computer.

Close any open software applications.

Exit the operating system.

Remove any compact disc or media card from the computer.

Turn off the computer and any peripheral devices that are connected to it.

CAUTION:

Regardless of the power-on state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. In some systems the cooling fan is on even when the computer is in the ”Standby,” or ”Suspend” modes. The power cord should always be disconnected before servicing a unit.

Disconnect the power cord from the electrical outlet and then from the computer.

Disconnect all peripheral device cables from the computer.

NOTE:

Keep all screws with the units removed.

CAUTION:

Turn off the computer before disconnecting any cables.

During disassembly, label each cable as you remove it, noting its position and routing.

The screws used in the computer are of different thread sizes and lengths; using the

wrong screw in an application may damage the unit.

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