HP Compaq dc7700 DT Hardware Reference Manual
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HP Compaq dc7700 DT Hardware Reference Manual

HP Compaq dc7700 DT Hardware Reference Manual

Ultra-slim desktop business pc
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Hardware Reference Guide—dc7700 Series
Ultra-Slim Desktop
HP Compaq Business PC

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  • Page 1 Hardware Reference Guide—dc7700 Series Ultra-Slim Desktop HP Compaq Business PC...
  • Page 2 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.

  • Page 3: About This Book

    About This Book This guide provides basic information for upgrading this computer model. WARNING! 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.
  • Page 4 About This Book ENWW...

  • Page 5: Table Of Contents

    Rear Panel Components ... 3 Keyboard ... 4 Using the Windows Logo Key ... 5 Serial Number Location ... 6 Changing from Desktop to Tower Configuration ... 6 2 Hardware Upgrades Serviceability Features ... 9 Warnings and Cautions ... 9 Removing the Computer Access Panel ...
  • Page 6 Grounding Methods ... 37 Appendix E Computer Operating Guidelines, Routine Care and Shipping Preparation Computer Operating Guidelines and RoutineCare ... 39 Optical Drive Precautions ... 40 Operation ... 40 Cleaning ... 40 Safety ... 40 Shipping Preparation ... 40 Index ... 41 ENWW...

  • Page 7: Product Features

    Product Features Standard Configuration Features The HP Compaq Ultra-Slim Desktop computer comes with features that 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). Instructions for using the utility are provided in the Troubleshooting Guide on the Documentation and Diagnostics CD.

  • Page 8: Front Panel Components

    Front Panel Components Drive configuration may vary by model. Table 1-1 Front Panel Components Optical Drive Microphone Connector Headphone Connector USB (Universal Serial Bus) Ports NOTE An optical drive is a CD-ROM , CD-R/RW, DVD-ROM , DVD+R/RW, or CD-RW/DVD Combo drive. Chapter 1 Product Features System Power LED Hard Drive Activity Light...

  • Page 9: Rear Panel Components

    Rear Panel Components Table 1-2 Rear Panel Components Power Cord Connector PS/2 Mouse Connector(green) PS/2 Keyboard Connector(purple) Universal Serial Bus (USB) (6) Serial Connector RJ-45 Network Connector NOTE Arrangement and number of connectors may vary by model. The monitor connector on the system board is inactive when a PCI Express graphics card is installed in the computer. If a PCI graphics card is installed, the connectors on the card and the system board may be used at the same time.

  • Page 10: Keyboard

    Keyboard Table 1-3 Keyboard Components Function Keys Editing Keys Status Lights Numeric Keys Arrow Keys Ctrl Keys Application Key Windows Logo Keys Alt Keys Keys available in select geographic regions. Chapter 1 Product Features Perform special functions depending on the software application being used. Include the following: Insert, Home, Page Up, Delete, End, and Page Down.

  • Page 11: Using The Windows Logo Key

    Windows Logo Key + r Windows Logo Key + u Windows Logo Key + Tab ENWW Displays or hides the Start menu Displays the Desktop Minimizes all open applications Undoes Minimize All Launches My Computer Launches Find Document Launches Find Computer...

  • Page 12: Serial Number Location

    Figure 1-2 Serial Number and Product ID Location Changing from Desktop to Tower Configuration If the Smart Cover Sensor is enabled, restart the computer and enter Computer Setup to disable Remove any removable media (such as an optical disk).
  • Page 13 Reconnect the external equipment, plug the power cord into a power outlet, and turn the computer Use Computer Setup to enable the Smart Cover Sensor, if desired. To change from the tower configuration to the desktop configuration, reverse the previous steps. ENWW...
  • Page 14 Chapter 1 Product Features ENWW...

  • Page 15: Hardware Upgrades

    This guide is located on the Web at http://www.hp.com/ergo CAUTION Static electricity can damage the electrical components of the computer or optional equipment.

  • Page 16: Removing The Computer Access Panel

    Removing the Computer Access Panel To access system memory, the expansion slot assembly, and other internal components, you must remove the access panel: Remove/disengage any security devices that prohibit opening the computer. Remove all removable media, such as diskettes or compact discs, from the computer. Turn off the computer properly through the operating system, then turn off any external devices.

  • Page 17: Removing The Front Bezel Assembly

    Removing the Front Bezel Assembly To access the internal hard drive, you must remove the front bezel assembly. Remove/disengage any security devices that prohibit opening the computer. Remove all removable media, such as diskettes or compact discs, from the computer. Turn off the computer properly through the operating system, then turn off any external devices.
  • Page 18 Disconnect the optical drive cable from the back of the optical drive. NOTE When removing cables, pull on the connector instead of the cable itself. This will help prevent cable damage. Figure 2-3 Disconnecting the Optical Drive Cable Disconnect the fan and speaker cables from the system board. Figure 2-4 Disconnecting the Fan and Speaker Cables from the Front Bezel Chapter 2 Hardware Upgrades...
  • Page 19 Lift the release tabs again (1) and pull the front bezel assembly out of the chassis (2). Figure 2-5 Removing the Front Bezel To replace the front bezel assembly: Align the front bezel assembly with the front of the chassis and slide the assembly in. Stop about 1.3 cm (0.5 inch) away from the chassis.
  • Page 20 Connect the fan and speaker cables to the system board. Figure 2-7 Connecting the Fan and Speaker Cables Connect the optical drive cable to the back of the optical drive. Figure 2-8 Connecting the Optical Drive Cable Slide the front bezel assembly all the way into the chassis until it stops. Replace the access panel.

  • Page 21: Rotating The Power Supply

    Rotating the Power Supply The power supply must be rotated up to access the system battery and various connectors on the system board. Remove/disengage any security devices that prohibit opening the computer. Remove all removable media, such as diskettes or compact discs, from the computer. Turn off the computer properly through the operating system, then turn off any external devices.

  • Page 22: Installing Additional Memory

    Installing Additional Memory The computer comes with double data rate 2 synchronous dynamic random access memory (DDR2- SDRAM) dual inline memory modules (DIMMs). DIMMs The memory sockets on the system board can be populated with up to three industry-standard DIMMs. These memory sockets are populated with at least one preinstalled DIMM.

  • Page 23: Populating Dimm Sockets

    Populating DIMM Sockets There are three DIMM sockets on the system board, with two sockets in memory Channel A and one socket in memory Channel B. The sockets are labeled XMM1, XMM2, and XMM3. Sockets XMM1 and XMM2 operate in memory Channel A; socket XMM3 operates in memory Channel B. Figure 2-10 DIMM Socket Locations Item...

  • Page 24: Installing Dimms

    one 1GB DIMM. With this configuration, 2 GB will run as dual channel and 512 MB will run as single channel. ● In any mode, the maximum operational speed is determined by the slowest DIMM in the system. Installing DIMMs CAUTION You must disconnect the power cord before adding or removing memory modules.
  • Page 25 Open both latches of the memory module socket (1), and insert the memory module into the socket (2). Figure 2-11 Installing a DIMM NOTE A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket.

  • Page 26: Replacing An Expansion Card Bracket

    Express x16 expansion slot. The computer ships with a PCI Express bracket. An optional PCI Express expansion card bracket assembly with riser card or PCI expansion card bracket assembly with riser card can be obtained from HP or an authorized provider. A variety of optional PCI cards are available including: ●...
  • Page 27 Lift the handle (1) on the expansion card assembly and pull the assembly straight up out of the computer (2). Figure 2-12 Removing the PCI Express Expansion Card Bracket Install the new expansion card in the optional bracket assembly with riser card, according to the directions that ship with the assembly.

  • Page 28: Upgrading The Hard Drive

    If you do not have this CD set, create it now. Refer to the HP Backup and Recovery Manager User Guide in the Windows Start menu for more information. You may wish to print this guide for easy reference.
  • Page 29 Rotate the right side of the hard drive up (2), then pull the drive out to the right (3). Figure 2-13 Removing the Internal Hard Drive NOTE When removing cables, pull on the connector instead of the cable itself. This will help prevent cable damage.
  • Page 30 Transfer the screws from the sides of the old drive to the new drive. The screws take the place of drive rails. NOTE Four US 6-32 screws with a silver finish (two screws on each side of the hard drive) help guide the drive into its proper position.

  • Page 31: Replacing The Optical Drive

    Replacing the Optical Drive An optical drive is a CD-ROM , CD-R/RW, DVD-ROM , DVD+R/RW, or CD-RW/DVD Combo drive. Removing the Existing Optical Drive Remove/disengage any security devices that prohibit opening the computer. Remove all removable media, such as diskettes or compact discs, from the computer. Turn off the computer properly through the operating system, then turn off any external devices.
  • Page 32 Push the release latch on the side of the optical drive toward the outside of the computer (1) and slide the optical drive out of the computer through the front bezel (2). Figure 2-17 Removing the Optical Drive NOTE If you are not replacing the optical drive at this time, disconnect the optical drive cable from the system board and store it carefully for future use.

  • Page 33: Preparing The New Optical Drive

    Preparing the New Optical Drive Before the new optical drive can be used, the release latch must be attached. Peel the backing off the adhesive on the release latch. Without allowing the release latch to touch the optical drive, carefully align the holes on the release latch with the pins on the side of the optical drive.

  • Page 34: Installing The New Optical Drive

    Installing the New Optical Drive Align the optical drive with the opening in the front bezel. Make sure the back of the optical drive is being inserted first and the release latch is on the inner side of the drive. Figure 2-19 Aligning the Optical Drive Slide the optical drive into the computer until it locks.

  • Page 35: Appendix A Specifications

    Height Width Depth (depth will increase if the computer is equipped with a port security bracket) Approximate Weight Weight Supported (maximum distributed load in desktop position) Temperature Range (values subject to change with increasing altitude above sea level) Operating Nonoperating NOTE Operating temperature is derated 1.0°...
  • Page 36 Rated Voltage Range Rated Line Frequency Power Output Rated Input Current (maximum) Heat Dissipation Maximum Typical (idle) This system utilizes an active power factor corrected power supply. This allows the system to pass the CE mark requirements for use in the countries of the European Union. The active power factor corrected power supply also has the added benefit of not requiring an input voltage range select switch.

  • Page 37: Appendix B Battery Replacement

    AC wall socket. The lithium battery is only used when the computer is NOT connected to AC power. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries. For more information about recycling programs, go to recycle.
  • Page 38 If the computer is on a stand, remove the computer from the stand and lay the computer down. Remove the computer cover or access panel. CAUTION between the DIMM sockets. If the LED is illuminated, the system still has power. Turn off the computer and remove the power cord before proceeding.
  • Page 39 To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the positive side up. Push the other edge down until the clamp snaps over the other edge of the battery (2). Figure B-2 Type 3 Pull back on the clip (1) that is holding the battery in place, and remove the battery (2).
  • Page 40 Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD. Lock any security devices that were disengaged when the computer cover or access panel was removed.

  • Page 41: Appendix C Security Lock Provisions

    For information on data security features, refer to the Computer Setup (F10) Utility Guide and the Desktop Management Guide on the Documentation and Diagnostics CD and the HP ProtectTools Security Manager Guide (some models) at www.hp.com. Thesecurity locks displayed below and on the following pages can be used to secure the computer.

  • Page 42: Padlock

    Padlock Figure C-2 Installing a Padlock Appendix C Security Lock Provisions ENWW...

  • Page 43: Appendix D Electrostatic Discharge

    Use conductive field service tools. ● Use a portable field service kit with a folding static-dissipating work mat. If you do not have any of the suggested equipment for proper grounding, contact an HP authorized dealer, reseller, or service provider. NOTE For more information on static electricity, contact an HP authorized dealer, reseller, or service provider.
  • Page 44 Appendix D Electrostatic Discharge ENWW...

  • Page 45: Appendix E Computer Operating Guidelines, Routine Care And Shipping Preparation

    ● 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. ●...

  • Page 46: Optical Drive Precautions

    Avoid using any type of solvent, such as alcohol or benzene, which may damage the finish. Safety If any object or liquid falls into the drive, immediately unplug the computer and have it checked by an authorized HP service provider. Shipping Preparation Follow these suggestions when preparing to ship the computer: Back up the hard drive files on PD discs, tape cartridges, CDs, or diskettes.

  • Page 47: Index

    CD-ROM drive optical drive 2 changing computer configuration 6 components front panel 2 keyboard 4 rear panel 3 computer changing from desktop to tower 6 features 1 operating guidelines 39 security locks 35 shipping preparation 40 specifications 29 connector audio 3...
  • Page 48 LED, system power 2 locks cable lock 35 padlock 36 memory module Asymmetric mode 17 capacity 16 identifying sockets 17 installation instructions 18 installing 16 Interleaved mode 17 single channel mode 17 socket locations 17 specifications 16 microphone connector 2 monitor, connecting 3 monitor, DVI-D connector 3 mouse, connector 3...

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Compaq dc7700 series

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