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Dell XPS 720 H2C Owner's Manual

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Dell™ XPS™ 720 H2C Owner's Manual
  Finding Information
  Setting Up and Using Your Computer
  Optimizing for Greater Performance
  Dell™ QuickSet 
NOTE:
A NOTE indicates important information that helps you make better use of your computer.
NOTICE:
A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
CAUTION:
A CAUTION indicates a potential for property damage, personal injury, or death.
If you purchased a Dell™ n Series computer, any references in this document to Microsoft® Windows® operating systems are not applicable.
Information in this document is subject to change without notice.
© 2007 Dell Inc. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, XPS, H2C, Inspiron, Dell Precision, Dimension, OptiPlex, Latitude, PowerEdge, PowerVault, PowerApp, TravelLite, Strike Zone, and Dell
OpenManage are trademarks of Dell Inc.; Intel, Pentium, Celeron, and Intel Core 2 Extreme are either trademarks or registered trademarks of Intel Corporation; Microsoft, Windows,
Windows Vista, and the Windows Vista Start button are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. Bluetooth is a
registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any
proprietary interest in trademarks and trade names other than its own.
Model DCDO
April 2007 P/N KP688 Rev. A00
Back to Contents Page
 
  Troubleshooting
  Removing and Installing Parts
  Appendix
  Glossary

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  • Page 1 Bluetooth SIG, Inc. and is used by Dell under license. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

  • Page 2: Specifications

    Back to Contents Page   Appendix Dell™ XPS™ 720 Owner's Manual   Specifications   System Setup   Clearing Forgotten Passwords   Clearing CMOS Settings   Cleaning Your Computer   FCC Notices (U.S. Only)   Contacting Dell  Specifications   Processor Processor type Intel® Core™ 2 Duo (dual-core processor) Intel® Core™ 2 Extreme (dual-core processor) Intel® Core™ 2 Extreme (quad-core processor) Cache at least 1 MB  ...
  • Page 3 PCI 32-bit PCI (SLOT3, SLOT5, SLOT6)   Connector three Connector size 124 pins Connector data width (maximum) 32 bits Bus speed 33 MHz PCI Express (SLOT1)   NOTE: If a graphics card is installed in each of the PCI Express x16 card slots in the dual-graphics configuration, the PCI Express x1 card slot is not accessible for use.
  • Page 4 amber light — Blinking amber indicates a problem with an installed device; solid amber indicates an internal power problem. Hard-drive access light green Network activity light (front panel) solid green indicates network connection Link integrity light (on integrated network adapter) green light —...

  • Page 5: Entering System Setup

    1. Turn on (or restart) your computer.   2. When the DELL logo appears, press <F2> immediately. NOTE: Keyboard failure may result when a key on the keyboard is held down for extended periods of time. To avoid possible keyboard failure, press and release <F2>...
  • Page 6 NOTE: Depending on your computer and installed devices, the items listed in this section may not appear, or may not appear exactly as listed.   System System Info Lists system information, such as the computer name, the BIOS version number and date, the system service tag, express service code and asset tag, and other system-specific information.
  • Page 7   NOTE: PXE is required only if you are booting to an operating system located on another computer. If a boot routine is not available from the remote system, the computer attempts to boot from the next device listed in the boot sequence. Integrated Audio Enables or disables the onboard audio controller.
  • Page 8 These applications are not installed or supported by Dell. The default is Off.   NOTE: To enable overclocking of other system components, you first need to enable the Performance Application Support option in BIOS and then download an application like NVIDIA nTune version 5.0 or higher.
  • Page 9 power is restored after an AC power loss. (Off default)  Off — The system stays off after AC power is restored.  On — The system powers on after AC power is restored.  Last — The system returns to the previous state after AC power is restored.

  • Page 10: Option Settings

    Changing Boot Sequence for the Current Boot You can use this feature, for example, to tell the computer to boot from the CD drive so that you can run the Dell Diagnostics on the Drivers and Utilities media, but you want the computer to boot from the hard drive when the diagnostic tests are complete. You can also use this feature to restart your computer to a USB device such as a floppy drive, memory key, or CD-RW drive.

  • Page 11: Changing Boot Sequence For Future Boots

    for the current boot only, and then press <Enter>. For example, if you are booting to a USB memory key, highlight USB Flash Device and press <Enter>. NOTE: To boot to a USB device, the device must be bootable. To make sure that your device is bootable, check the device documentation.  ...

  • Page 12: Clearing Cmos Settings

    7. Disconnect the keyboard and mouse, then disconnect the computer and monitor from their electrical outlets.   8. Press the power button on the computer to ground the system board.   9. Open the computer cover (see Removing the Computer Cover).

  • Page 13: Cds And Dvds

    Once you have determined your system's FCC classification, read the appropriate FCC notice. Note that FCC regulations provide that changes or modifications not expressly approved by Dell could void your authority to operate this equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:  ...

  • Page 14: Fcc Identification Information

    NOTE: In certain countries, support specific to Dell™ XPS™ computers is available at a separate telephone number listed for participating countries. If  you do not see a telephone number listed that is specific for XPS computers, you may contact Dell through the support number listed and your call will be routed appropriately.  For support by phone, use the phone numbers and codes provided in the following table. If you need assistance in determining which codes to use, contact a local or an international operator.
  • Page 15 E-mail for Desktops and Portables la-techsupport@dell.com  Argentina (Buenos Aires) E-mail for Servers and EMC® Storage Products la_enterprise@dell.com International Access Code: 00 Customer Service toll-free: 0-800-444-0730 Country Code: 54 Technical Support – Dell PowerApp™, Dell PowerEdge™, Dell  toll-free: 0-800-222-0154 PowerConnect™, and Dell PowerVault™ City Code: 11 Technical Support Services toll-free: 0-800-444-0724 Sales 0-810-444-3355 www.dell.com.aw ...
  • Page 16 Customer Service E-mail customer_cn@dell.com  Technical Support Fax 592 818 1350 Technical Support – XPS computers only toll-free: 800 858 0540 Technical Support – Dell™ Dimension™ and Dell Inspiron™ toll-free: 800 858 2969 Technical Support – Dell OptiPlex™, Dell Latitude™, and Dell  toll-free: 800 858 0950 Precision™ Technical Support – Servers and Storage toll-free: 800 858 0960 Technical Support – Projectors, PDAs, Switches, Routers, etc.
  • Page 17 Technical Support, Customer Service, Sales 0800-012-0231 support.euro.dell.com Online Support czech_dell@dell.com   Czech Republic (Prague) Technical Support 22537 2727 International Access Code: 00 Customer Service 22537 2707 22537 2714 Country Code: 420 Technical Fax 22537 2728 Switchboard 22537 2711 Online Support support.euro.dell.com    Technical Support for XPS computers only...
  • Page 18 Technical Support – XPS computers only 00852-3416 6923 Technical Support – Dimension and Inspiron 00852-2969 3188 Hong Kong Technical Support – OptiPlex, Latitude, and Dell Precision 00852-2969 3191 Technical Support – Servers and Storage 00852-2969 3196 International Access Code: 001 Technical Support – Projectors, PDAs, Switches, Routers, etc.
  • Page 19 Technical Support outside of Japan – Dimension and Inspiron 81-44-520-1435 Technical Support – Dell Precision, OptiPlex, and Latitude toll-free: 0120-198-433 Technical Support outside of Japan – Dell Precision, OptiPlex, and 81-44-556-3894 Latitude Technical Support – Dell PowerApp, Dell PowerEdge, Dell...
  • Page 20 +32 (0)2 481 91 19 26 25 77 82 Online Support support.ap.dell.com Technical Support – XPS computers only toll-free: 1 800 885 784 Technical Support – Dell Precision, OptiPlex, and Latitude toll-free: 1 800 880 193 Malaysia (Penang) Technical Support – Dimension, Inspiron, and Electronics and toll-free: 1 800 881 306 International Access Code: 00 Accessories Technical Support –...
  • Page 21 City Code: 20 Home/Small Business Sales Fax 020 674 47 75 Relational Sales Fax 020 674 47 50 Switchboard 020 674 50 00 Switchboard Fax 020 674 47 50 support.ap.dell.com   New Zealand Online Support support.ap.dell.com/contactus International Access Code: 00 Technical Support for XPS computers only toll-free: 0800 335 540 Country Code: 64 Technical Support, Customer Service, Sales 0800 441 567...
  • Page 22 Singapore (Singapore) Technical Support – Dimension, Inspiron, and Electronics and toll-free: 1 800 394 7430 International Access Code: 005 Accessories Technical Support – OptiPlex, Latitude, and Dell Precision toll-free: 1 800 394 7488 Country Code: 65 Technical Support – PowerApp, PowerEdge, PowerConnect, and toll-free: 1 800 394 7478 PowerVault Customer Service toll-free: 1 800 394 7430 (option 6)
  • Page 23 Home and Small Business Fax 0870 907 4006 www.dell.com/uy Online Support Uruguay la-techsupport@dell.com Technical Support, Customer Service, Sales toll-free: 000-413-598-2521 toll-free: 1-877-DELLTTY Dell Services for the Deaf, Hard-of-Hearing, or Speech-Impaired (1-877-335-5889) toll-free: 1-800-727-8320 Technical Support support.dell.com toll-free: 1-800-232-8544 Home and Home Office toll-free: 1-800-624-9896 Portable and Desktop AutoTech toll-free: 1-800-247-9362...
  • Page 24 K-12 Education toll-free: 1-888-977-3355 Higher Education toll-free: 1-800-274-7799 Employee Purchase Program (EPP) toll-free: 1-800-695-8133 Financial Services www.dellfinancialservices.com Leases and Loans toll-free: 1-877-577-3355 Dell Preferred Accounts (DPA) toll-free: 1-800-283-2210 Sales 1-800-289-3355 or 1-800-879-3355 Dell Outlet Store toll-free: 1-888-798-7561 Software and Peripherals Sales toll-free: 1-800-671-3355 www.dell.com/vi Online Support U.S. Virgin Islands la-techsupport@dell.com...

  • Page 25: Finding Information

     Desktop System Software (DSS) You can use the Drivers and Utilities media to reinstall drivers (see Reinstalling Drivers and Utilities), access your documentation or run the Dell Diagnostics (see Dell Diagnostics). Readme files may also be included on your media to provide last-...
  • Page 26 To download Desktop System Software:  Reference — Computer documentation, details on my computer configuration, product specifications, and white papers 1.  Go to support.dell.com, select your business segment, and  Downloads — Certified drivers, patches, and software updates then enter your Service Tag or product model.
  • Page 27 Back to Contents Page   Glossary Dell™ XPS™ 720 Owner's Manual Terms in this Glossary are provided for informational purposes only and may or may not describe features included with your particular computer.  A AC — alternating current — The form of electricity that powers your computer when you plug the AC adapter power cable in to an electrical outlet.
  • Page 28 CD-RW — CD rewritable — A rewritable version of a CD. Data can be written to a CD-RW disc, and then erased and written over (rewritten). CD-RW drive — A drive that can read CDs and write to CD-RW (rewritable CDs) and CD-R (recordable CDs) discs. You can write to CD-RW discs multiple times, but you can write to CD-R discs only once.
  • Page 29 ExpressCard — A removable I/O card adhering to the PCMCIA standard. Modems and network adapters are common types of ExpressCards. ExpressCards support both the PCI Express and USB 2.0 standard. Express Service Code — A numeric code located on a sticker on your Dell™ computer. Use the Express Service Code when contacting Dell for assistance.  Express Service Code service may not be available in some countries.
  • Page 30 MB/sec — megabytes per second — One million bytes per second. This measurement is typically used for data transfer ratings. media bay — A bay that supports devices such as optical drives, a second battery, or a Dell TravelLite™ module. memory — A temporary data storage area inside your computer. Because the data in memory is not permanent, it is recommended that you frequently save your files while you are working on them, and always save your files before you shut down the computer.
  • Page 31 memory module — A small circuit board containing memory chips, which connects to the system board. MHz — megahertz — A measure of frequency that equals 1 million cycles per second. The speeds for computer processors, buses, and interfaces are often measured in MHz.
  • Page 32 — An I/O port often used to connect devices such as a handheld digital device or digital camera to your computer. Service Tag — A bar code label on your computer that identifies your computer when you access Dell Support at support.dell.com or when you call Dell for customer service or technical support.
  • Page 33 S-video TV-out — A connector used to attach a TV or digital audio device to the computer. SXGA — super-extended graphics array — A video standard for video cards and controllers that supports resolutions up to 1280 x 1024. SXGA+ — super-extended graphics array plus — A video standard for video cards and controllers that supports resolutions up to 1400 x 1050. system board —...
  • Page 34 power for 1 hour or 33 W for 2 hours. wallpaper — The background pattern or picture on the Windows desktop. Change your wallpaper through the Windows Control Panel. You can also scan in your favorite picture and make it wallpaper. WLAN —...

  • Page 35: Removing And Installing Parts

    The liquid cooling assembly in your system contains a non-refillable coolant. In the event of a coolant leak, shut down your system immediately. Unplug your system from the power outlet and contact Dell Technical Support. In the event of skin contact with the coolant, wash your skin with soap and water.

  • Page 36: Removing The Computer Cover

     In Windows Vista, click Start , click the arrow in the lower-right corner of the Start menu as shown below, and then click Shut Down. The computer turns off after the operating system shutdown process is complete.   3. Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 4 seconds to turn them off.

  • Page 37: System Board Components

    1 optical drive bays (4) floppy drive/media card reader 3 hard drive bays (4) 4 card fan liquid cooling assembly       System Board Components white memory module black memory module hard drive fan connector connectors (DIMM_1-2) connectors (DIMM_3- (FAN_HDD) IDE drive connector front I/O panel...

  • Page 38: Ddr2 Memory Overview

    If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that you may have, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module.

  • Page 39: Addressing Memory Configurations

    3 and 4. NOTE: Memory purchased from Dell is covered under your computer warranty.   Addressing Memory Configurations ® If you are using a 32-bit operating system such as Microsoft Windows Vista™, your computer will support a maximum of 4 GB of memory. If you are using a  64-bit operating system, your computer will support a maximum of 8 GB (2-GB DIMMs in each of the four slots) of memory.

  • Page 40: Removing Memory

      6. Replace the computer cover (see Replacing the Computer Cover). NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.   7. Connect your computer and devices to electrical outlets, and turn them on.  ...

  • Page 41: Removing Pci And Pci Express Cards

    1 PCI card PCI Express x16 card 3 PCI Express x16 card slot 4 PCI Express x1 card slot PCI Express x1 card       Removing PCI and PCI Express Cards NOTICE: To avoid electrostatic discharge and damage to internal components, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface on the computer chassis.

  • Page 42: Installing Pci And Pci Express Cards

    NOTICE: Before rotating the card retainer back into place, ensure that the tops of all cards and filler brackets are flush with the alignment bar and the notch in the top of each card or filler bracket fits around the alignment guide. NOTICE: Do not route card cables over or behind the cards.

  • Page 43: Removing A Pci Express Graphics Card From A Dual Configuration

    PCI Express x16 card securing tab PCI Express x16 card slot NOTICE: Ensure that you release the securing tab to seat the card. If the card is not installed correctly, you may damage the system board.   8. Gently pull the securing tab (if present) and place the card in the connector. Press down firmly and ensure that the card is fully seated in the slot. 1 card connector (seated) 2 card connector (not 3 bracket properly aligned...
  • Page 44   1. Follow the procedures in Before You Begin.   2. Remove the computer cover (see Removing the Computer Cover).   3. If present, press the tab on the card retention device that lays over the installed cards and rotate it upwards to gain full access to the card.  ...

  • Page 45: Installing A Pci Express Graphics Card In A Dual Configuration

      Installing a PCI Express Graphics Card in a Dual Configuration NOTE: To upgrade to or downgrade from a dual-graphics configuration, you will need additional parts that can be ordered from Dell (see Contacting Dell). This section pertains to dual PCI Express graphics card configurations only. For installation of other types of PCI or PCI Express cards, see...
  • Page 46 release tab card retainer alignment guide fan bracket           5. Remove the filler bracket or existing graphics card (see Removing a PCI Express Graphics Card from a Dual Configuration) to create a card-slot opening. NOTE: If you are upgrading to a dual graphics card configuration and have a card installed in the PCI Express x1 card slot, remove the card (see Removing PCI and PCI Express Cards).

  • Page 47: Network Adapter And Sound Card Settings

    1 graphics card bridge (not present on some 2 power 3 dual-PCI Express dual graphics card configurations) connectors (2) graphics cards NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug the cable into the computer.  ...

  • Page 48: About Serial Ata Drives

    NOTE: The 5.25-inch Media Card Reader/floppy drive carrier is not interchangeable with the hard drive carrier. 1 optical drive bays (4) floppy drive/media card reader 3 hard-drive bays (4)   About Serial ATA Drives Your computer supports up to four serial ATA hard drives and two serial ATA optical drives. Serial ATA drives provide the following benefits by transferring data using serial technology and flexible cables that are thinner and longer than IDE cables:  Improved cable routing facilitates more efficient airflow inside the chassis.
  • Page 49 CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover. NOTICE: If you are replacing a hard drive that contains data that you want to keep, back up your files before you begin this procedure.

  • Page 50: Installing A Hard Drive

    Installing a Hard Drive   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   1. Follow the procedures in Before You Begin.   2. Remove the computer cover (see Removing the Computer Cover).

  • Page 51: Removing The Drive Panel

    power cable data cable   9. Replace the computer cover (see Replacing the Computer Cover). NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.   10. Connect the computer and devices to electrical outlets, and turn them on. See the documentation that came with the drive for instructions on installing any software required for drive operation.

  • Page 52: Replacing The Drive Panel

      5. Set the drive panel aside in a secure location.   Replacing the Drive Panel   1. Follow the procedures in Before You Begin.   2. Remove the computer cover (see Removing the Computer Cover).   3. Align the drive panel tabs with the side-door hinges. drive release latch drive panel drive panel tabs...

  • Page 53: Installing A Floppy Drive

    power cable floppy drive data cable   5. Slide the drive release latch towards the base of the computer to release the shoulder screw, and then slide the drive out of the drive bay. drive release latch floppy drive   6.

  • Page 54: Removing A Media Card Reader

    5. If no screws are attached to the new floppy drive, check the inside of the drive panel for shoulder screws. If screws are present, attach the screws to the new drive. floppy drive shoulder screws (4)   6. Slide the floppy drive into the drive bay until it clicks into place. drive release latch floppy drive  ...

  • Page 55: Installing A Media Card Reader

      2. Remove the computer cover (see Removing the Computer Cover).   3. Remove the drive panel (see Removing the Drive Panel).   4. Disconnect the power and data cables from the back of the Media Card Reader. media card reader power cable system board connector  ...

  • Page 56: Optical Drive

      3. Remove the drive panel (see Removing the Drive Panel).   4. Remove the existing media card reader, if applicable (see Removing a Media Card Reader).   5. If no screws are attached to the Media Card Reader, check the inside of the drive panel for shoulder screws. If screws are present, attach the screws to the new card reader.

  • Page 57: Removing An Optical Drive

    Removing an Optical Drive   1. Follow the procedures in Before You Begin.   2. Remove the computer cover (see Removing the Computer Cover).   3. Remove the drive panel (see Removing the Drive Panel).   4. Disconnect the power and data cables from the back of the drive. NOTE: If you are uninstalling your only optical drive and will not replace it at this time, disconnect the data cable from the system board and set it aside.

  • Page 58: Installing An Optical Drive

    Installing an Optical Drive   1. Follow the procedures in Before You Begin.   2. Remove the computer cover (see Removing the Computer Cover).   3. Remove the drive panel (see Removing the Drive Panel).   4. Remove the existing optical drive, if applicable (see Removing an Optical Drive).

  • Page 59: Safety Instructions For Liquid Cooling Assembly

     The liquid cooling assembly in your system contains a non-refillable coolant. In the event of a coolant leak, shut down your system immediately. Unplug your system from the power outlet and contact Dell Technical Support.  In the event of skin contact with the coolant, wash your skin with soap and water. Seek medical attention if irritation develops.
  • Page 60 3. Remove the drive panel (see Removing the Drive Panel).   4. Slide the drive release latch towards the base of the computer to release the shoulder screw(s) on the optical drive(s), then slide the optical drive(s) forward, out of the way. NOTE: It is not necessary to disconnect the optical drive cables unless you intend to fully remove the optical drive(s) from the computer.

  • Page 61: Installing The Liquid Cooling Assembly

    liquid cooling assembly captive screws (6) screw (loose)   Installing the Liquid Cooling Assembly   1. Follow the procedures in Before You Begin.   2. Remove the computer cover (see Removing the Computer Cover). NOTICE: Ensure that adequate thermal grease is applied to the top of the processor. Thermal grease is critical for ensuring adequate thermal bonding, which is a requirement for optimal processor operation.

  • Page 62: Installing The Processor

      1. Follow the procedures in Before You Begin.   2. Remove the computer cover (see Removing the Computer Cover).   3. Disconnect the power cables from the POWER1 and POWER2 connectors (see System Board Components) on the system board.  ...

  • Page 63: Removing The Card Fan

    socket release lever socket pin-1 indicator     NOTICE: Socket pins are delicate. To avoid damage, ensure that the processor is aligned properly with the socket, and do not use excessive force when you install the processor. Be careful not to touch or bend the pins on the system board.  ...

  • Page 64: Installing The Card Fan

    cage housing fan cage tab (2)   6. In succession, carefully pull on each corner of the fan to detach the rubber grommets securing the fan to the fan cage. card fan rubber grommet (4) fan cage   Installing the Card Fan NOTICE: Ensure the fan cable is correctly routed through the opening in the lower-right corner of the fan cage.

  • Page 65: Removing The Optional Hard Drive Fan

      6. Connect your computer and devices to electrical outlets, and then turn them on.   Removing the Optional Hard Drive Fan   1. Follow the procedures in Before You Begin.   2. Remove the computer cover (see Removing the Computer Cover).

  • Page 66: Installing The System Board

    2. Remove the computer cover (see Removing the Computer Cover).   3. Disconnect the fan cable from the FAN_CAGE connector on the system board (see System Board Components).   4. Remove any full-length expansion cards (see Removing PCI and PCI Express Cards).

  • Page 67: Power Supply (Psu) Dc Connector Pin Assignments

    11. Connect your computer and devices to electrical outlets, and then turn them on.   12. Flash the system BIOS, as needed. NOTE: For information on flashing the system BIOS, see support.dell.com.  Power Supply   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 68: Dc Power Connector P1

      DC Power Connector P1   1-KW Power Supply 750-KW Power Supply             Pin Number Signal name 18-AWG Wire Color Signal name 18-AWG Wire Color +3.3 VDC Orange +3.3 VDC Orange +3.3 VDC/SE Orange +3.3 VDC/SE Orange Black Black...

  • Page 69: Dc Power Connector P2

    +5 VDC +5 VDC Black Black   DC Power Connector P2   1-KW Power Supply 750-KW Power Supply             Pin Number Signal name 18-AWG Wire Color Signal name 18-AWG Wire Color +12 VC DC Blue/White +12 VC DC Blue/White +12 VC DC...
  • Page 70 DC Power Connector P4 (Graphics Card)   1-KW Power Supply 750-KW Power Supply             Pin Number Signal name 18-AWG Wire Color Signal name 18-AWG Wire Color +12 VE DC Blue/Yellow +12 VC DC Blue/White +12 VE DC Blue/Yellow +12 VC DC Blue/White...
  • Page 71   1-KW Power Supply 750-KW Power Supply             Pin Number Signal name 18-AWG Wire Color Signal name 18-AWG Wire Color +3.3 VDC Orange +3.3 VDC Orange Black Black +5 VDC +5 VDC Black Black +12 VE DC Blue/Yellow +12 VB DC White...

  • Page 72: Removing The Power Supply

          Pin Number Signal Name 18-AWG Wire Color +12 VB DC White +12 VB DC White +12 VB DC White Black Black Black   DC Power Connector P16 (Graphics Card – 1-KW PSU Only)       Pin Number Signal Name 18-AWG Wire Color +12 VC DC...

  • Page 73: Installing The Power Supply

    screws (4) hard-drive bays   8. Remove the four screws that attach the power supply to the back of the computer chassis.   9. Gather the power supply bundles that stem from the power supply, for easy removal. 1 power supply screws (4)  ...

  • Page 74: Front I/O-Panel Components

      1. Slide the power supply into place, ensuring that the tabs on the rear wall of the computer chassis latch into place.   2. Replace the four screws that secure the power supply to the back of the computer chassis.  ...

  • Page 75: Installing The I/O Panel

      2. Remove the computer cover (see Removing the Computer Cover).   3. Remove any full-length expansion cards (see Removing PCI and PCI Express Cards). NOTICE: Carefully note the routing of each cable before you disconnect it, so that you are sure to re-route cables correctly. An incorrectly routed or a disconnected cable could lead to computer problems.

  • Page 76: Replacing The Battery

     Battery   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   Replacing the Battery A coin-cell battery maintains computer configuration, date, and time information. The battery can last several years. If you have to repeatedly reset time and date information after turning on the computer, replace the battery.

  • Page 77: Replacing The Computer Cover

      2. Loosen the captive screw securing the stand to the base of the computer.   3. Gently slide the stand back, towards the rear of the computer, then pull the stand away from the computer to remove it. computer stand captive screw  Replacing the Computer Cover  ...
  • Page 78 computer cover cover hinge tabs hinge slots   5. Carefully, lift the rear of the computer and slide the stabilizing feet outward into the open position.   6. With the help of an assistant, carefully set the computer upright. NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.

  • Page 79: Optimizing For Greater Performance

    Dell Technical Support will verify the full functionality of the CPU at the factory default setting and support the CPU performance settings available within the system BIOS. Dell does not provide technical support for any hardware or software issues arising from any third party applications used to enable overclocking, such as NVIDIA nTune 5.0.

  • Page 80: Dell™ Quickset

    Back to Contents Page   Dell™ QuickSet  Dell™ XPS™ 720 Owner's Manual NOTE: This feature may not be available on your computer. Dell™ QuickSet allows you to select and adjust LED light effects, also known as LightFX™. You can start QuickSet by either clicking, double-clicking, or right-clicking the QuickSet icon in the Microsoft® Windows® taskbar. The taskbar is located in the lower-right corner of your screen.

  • Page 81: Setting Up And Using Your Computer

    Back to Contents Page   Setting Up and Using Your Computer Dell™ XPS™ 720 Owner's Manual   Front and Back View of the Computer   Using a Media Card Reader (Optional)   Attaching the Computer Stand   Network Setup Wizard   Installing Your Computer in an Enclosure   Transferring Information to a New Computer   Connecting Monitors...

  • Page 82: Front I/O Connectors

    USB devices see Boot Sequence. Dell recommends that you use the back USB connectors for devices that typically remain connected, such as printers and keyboards. 7 IEEE 1394 Use the IEEE 1394 connector for high-speed data devices such as digital connector video cameras and external storage devices.

  • Page 83: Back I/O Connectors

    1 power connector Insert the power cable. The appearance of this connector may differ from what is pictured. 2 back panel LEDs Multi-colored lights provide illumination for the I/O panel on the back of the computer.   NOTE: The color of the back panel LEDs can be adjusted in system setup (see System Setup).

  • Page 84: Attaching The Computer Stand

    (6) connected, such as printers and keyboards.   NOTE: Dell recommends that you use the front USB connectors for devices that you connect occasionally, such as flash memory keys, cameras, or bootable USB devices. 15 IEEE 1394 Use the IEEE 1394 connector for high-speed data devices such as connector digital video cameras and external storage devices.

  • Page 85: Installing Your Computer In An Enclosure

      3. Insert the six alignment tabs into the corresponding slots on the base of the computer, then slide the stand forward until all six tabs catch in the slots.   4. Ensure that the screw hole on the stand is aligned with the screw hole on the base of the computer.  ...

  • Page 86: Connecting Monitors

     Do not install your computer in an enclosure that does not allow airflow. Restricting the airflow impacts your computer's performance, possibly causing it to overheat.  Connecting Monitors   CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.  ...

  • Page 87: Connecting A Monitor (Without An Adapter)

    DVI (white) connector TV-OUT connector VGA (blue) connector   Connecting a Monitor (Without an Adapter)   CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTE: If your monitor has a VGA connector and your computer does not have a VGA port, follow the instructions in Connecting a Monitor (With an Adapter).

  • Page 88: Connecting A Monitor In A Dual Graphics Card Configuration

      3. Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 4 seconds to turn them off.  ...

  • Page 89: Connecting Two Or More Monitors

    To connect a monitor with a DVI connector, use the (white) DVI port on the primary graphics card. To connect a monitor with a VGA connector, use the (blue) VGA port on the primary graphics card.   Connecting Two or More Monitors  ...

  • Page 90: Changing The Display Settings To Support Two Or More Monitors

      4. Disconnect the computer and all attached devices from their electrical outlets.   5. Connect one end of the S-video cable to the TV-OUT connector on the back of the computer.   6. Connect the other end of the S-video cable to the S-video input connector on your TV.  ...

  • Page 91: Raid Level 0+1 Configuration

    Another advantage of a RAID level 0 configuration is that it utilizes the full storage capacities of the drives. For example, two 120-GB hard drives combine to provide 240 GB of hard drive space on which to store data. NOTE: In a RAID level 0 configuration, the size of the configuration is equal to the size of the smallest drive multiplied by the number of drives in the configuration.

  • Page 92: Configuring Your Hard Drives For Raid

    If a drive failure occurs, subsequent read and write operations are directed to the other surviving drives. A replacement drive can then be rebuilt using the data from the surviving drives. Also, because data is duplicated on the primary and additional drives, four 120-GB RAID level 1 drives collectively have a maximum of 360-GB on which to store data.

  • Page 93: Using Nvidia Mediashield

    To create a RAID 1 configuration, use the arrow keys to select Mirroring. To create a RAID 0+1 configuration, use the arrow keys to select Stripe Mirroring. To create a RAID 5 configuration, use the arrow keys to select RAID 5.  ...

  • Page 94: Deleting A Raid Array

    The Free Disk Selection window appears. NOTE: Only RAID-enabled hard drives are listed as free disks.   8. Click to select the drives that will make up the RAID configuration, click Next, and then click Next again. NOTE: Your computer supports a maximum of two drives per RAID 1 array and four per RAID 0 array. The Clearing System Data window appears.

  • Page 95: Rebuilding A Raid Configuration

      6. Click Next. NOTICE: You will lose all data on the selected drives in the next step.   7. Under Free Disk Selection, select the hard drive(s) you want to include in the (migrated) array by clicking the checkbox beside it.  ...

  • Page 96: Copying Cd, Dvd, And Blu-Ray Disc™ (Bd) Media

    CDs from audio files stored on your computer or backing up important data. For help, open Roxio Creator, and then press <F1>. The DVD drives and BD drives installed in Dell computers do not support HD-DVD media. For a list of supported media formats, see Using Blank CD, DVD, and Media.

  • Page 97: Helpful Tips

    continue. The computer reads your source disc and copies the data to a temporary folder on your computer hard drive. When prompted, insert a blank disc into the drive and click OK.  If you have two optical drives, select the drive into which you have inserted your source disc and click the Copy Disc button to continue. The computer copies the data from the source disc to the blank disc.

  • Page 98: Using A Media Card Reader (Optional)

     Music MP3 files can be played only on MP3 players or on computers that have MP3 software installed.  Use a blank CD-RW to practice CD recording until you are familiar with CD recording techniques. If you make a mistake, you can erase the data on the CD-RW and try again.

  • Page 99: Network Setup Wizard

     Network Setup Wizard The Microsoft Windows operating system provides a Network Setup Wizard to guide you through the process of sharing files, printers, or an Internet connection between computers in a home or small office. Windows XP:   1. Click Start, point to All Programs® Accessories® Communications, and then click Network Setup Wizard.  ...

  • Page 100: Power Management Options In Windows Xp

    After the information has been copied, the Completing the Collection Phase screen appears.   8. Click Finish. To transfer data to the new computer:   1. On the Now go to your old computer screen on the new computer, click Next.  ...

  • Page 101: Power Options Properties

    Because hibernate mode requires a special file on your hard drive with enough disk space to store the contents of the computer memory, Dell creates an appropriately sized hibernate mode file before shipping the computer to you.

  • Page 102: Power Management Options In Windows Vista

      3. In the Performance and maintenance window, click Conserving power on your computer.  Power Management Options in Windows Vista The Microsoft Vista power management features can reduce the amount of electricity your computer uses when it is on and you are not using it. You can reduce power to just the monitor or the hard drive, or you can use sleep mode or hibernate mode to reduce power to the entire computer.

  • Page 103: Troubleshooting

    If you have to repeatedly reset time and date information after turning on the computer, or if an incorrect time or date displays during start-up, replace the battery (see Replacing the Battery). If the battery still does not work properly, contact Dell (see Contacting Dell).

  • Page 104: Problems Writing To An Optical Drive

    Run the Hardware Troubleshooter — Troubleshooting Software and Hardware Problems.   Run the Dell Diagnostics — Dell Diagnostics.   Optical drive problems NOTE: High-speed optical drive vibration is normal and may cause noise, which does not indicate a defect in the drive or the media.

  • Page 105: Error Messages

    NOTE: Do not plug a telephone cable into the network adapter connector (see Back I/O Connectors).   Check the Microsoft Outlook® Express security settings — If you cannot open your e-mail attachments: 1.  In Outlook Express, click Tools® Options® Security. 2.  Click Do not allow attachments to remove the checkmark, as needed.  ...

  • Page 106: Ieee 1394 Device Problems

      If you have problems with a Dell IEEE 1394 device — Contact Dell (see Contacting Dell).    If you have problems with an IEEE 1394 device not provided by Dell — Contact the IEEE 1394 device manufacturer.   Keyboard Problems   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 107: Lockups And Software Problems

    Test the keyboard — Connect a properly working keyboard to the computer, then try using the keyboard.   Run the Hardware Troubleshooter — Troubleshooting Software and Hardware Problems.   Lockups and Software Problems   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.  ...

  • Page 108: Memory Problems

     See the software documentation for minimum memory requirements. If necessary, install additional memory (see Installing Memory).  Reseat the memory modules (see Memory) to ensure that your computer is successfully communicating with the memory.  Run the Dell Diagnostics (see Dell Diagnostics).  ...

  • Page 109: Network Problems

      Check the mouse settings —   Windows XP 1.  Click Start® Control Panel® Mouse. 2.  Adjust the settings as needed. Windows Vista: 1.  Click Start ® Control Panel® Hardware and Sound® Mouse. 2.  Adjust the settings as needed.   Reinstall the mouse driver —...

  • Page 110: Printer Problems

     Ensure that the processor power cable is securely connected to the system board power connector (POWER2) (see System Board Components).  Remove and then reinstall all memory modules (see Memory).  Remove and then reinstall any expansion cards, including graphics cards (see Removing PCI and PCI Express Cards).

  • Page 111: Sound And Speaker Problems

      Verify that the scanner is recognized by Microsoft Windows —   Windows XP: 1.  Click Start® Control Panel® Printers and Other Hardware® Scanners and Cameras. 2.  If your scanner is listed, Windows recognizes the scanner. Windows Vista: 1.  Click Start ®...

  • Page 112: Video And Monitor Problems

    If your computer came with a PCI graphics card installed, removal of the card is not necessary when installing additional graphics cards; however, the card is required for troubleshooting purposes. If you remove the card, store it in a safe and secure location. For information about your graphics card, go to support.dell.com.  ...

  • Page 113: Power Lights

    The computer is in a normal off  Plug the computer into a working electrical outlet (see Power Problems). condition or a possible pre-BIOS  If the problem persists, contact Dell (see Contacting Dell). failure has occurred. The diagnostic lights are not lit after the system successfully boots to the operating system.

  • Page 114: Beep Codes

    For example, beep code 1-3-1 (one possible beep code) consists of one beep, a burst of three beeps, and then one beep. This beep code tells you that the computer encountered a memory problem. Reseating the memory modules may correct the following beep code errors. If the problem persists, contact Dell (see Contacting Dell) for instructions on obtaining technical assistance.

  • Page 115: System Messages

    C: Drive program (see System Setup). Failure The cache memory is not Contacting Dell for instructions on Cache Memory operating. obtaining technical assistance. Bad, Do Not Enable Cache An error is occurring on the...

  • Page 116: When To Use Dell Diagnostics

    The Quickboot feature changes the boot sequence for the current boot only. Upon restart, the computer boots according to the boot sequence specified in system setup.   4. At the Dell Diagnostics Main Menu, left-click with the mouse, or press <Tab> and then <Enter>, to select the test you want to run (see Dell Diagnostics Main Menu).

  • Page 117: Dell Diagnostics Main Menu

    9. At the Dell Diagnostics Menu, press <1> to select Dell Diagnostics (graphical user interface).   10. At the Dell Diagnostics Main Menu, left-click with the mouse, or press <Tab> and then <Enter>, to select the test you want to run (see Dell Diagnostics Main Menu).

  • Page 118: What Is A Driver

    (Custom Test The Dell Diagnostics obtains configuration information for all devices from system setup, memory, and various internal tests, and it only) displays the information in the device list in the left pane of the screen.   NOTE: The device list may not display the names of all the components installed on your computer or all devices attached to your computer.

  • Page 119: Using The Drivers And Utilities Media

    4. When you see the Windows desktop, reinsert the Drivers and Utilities media.   5. At the Welcome Dell System Owner screen, click Next. NOTE: The Drivers and Utilities media displays drivers only for hardware that came installed in your computer. If you installed additional hardware, the drivers for the new hardware might not be displayed by the Drivers and Utilities media.

  • Page 120: Restoring Your Operating System

     Dell PC Restore by Symantec (available in Windows XP) and Dell Factory Image Restore (available in Windows Vista) restore your hard drive to the operating state it was in when you purchased the computer. Both permanently delete all data on the hard drive and remove any programs installed after you received the computer.

  • Page 121: Using Dell Pc Restore And Dell Factory Image Restore

    Using Dell PC Restore or Dell Factory Image Restore permanently deletes all data on the hard drive and removes any programs or drivers installed after you received your computer. If possible, back up the data before using these options. Use PC Restore or Dell Factory Image Restore only if System Restore did not resolve your operating system problem.

  • Page 122: Windows Vista: Dell Factory Image Restore

    Restore, you will not be able to use it to restore your computer operating system. Dell PC Restore enables you to restore your hard drive to the operating state it was in when you purchased your computer. It is recommended that you do not remove PC Restore from your computer, even to gain additional hard-drive space.

  • Page 123: Using The Operating System Media

    The Dell Drivers and Utilities media contains drivers that were installed during the assembly of the computer. Use the Dell Drivers and Utilities media to load any required drivers. Depending on the region from which you ordered your computer, or whether you requested the media, the Dell Drivers and Utilities media and Operating System media may not ship with your computer.

  • Page 124: Troubleshooting Software And Hardware Problems

    7. Follow the instructions on the screen to complete the installation.   Troubleshooting Software and Hardware Problems If a device is either not detected during the operating system setup or is detected but incorrectly configured, you can use the Hardware Troubleshooter to resolve the incompatibility.

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