Dell XPS 720 H2C Specifications

Back to Contents Page Dell™XPS™720H2COwner'sManual IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosof

 Boot Sequence This feature allows you to change the boot sequence for the bootable devices installed on your computer.  Option Settings l Diskett

After the information has been copied, the Completing the Collection Phase screen appears.  8. Click Finish. To transfer data to the new computer:

3. Under or pick a Control Panel icon, click Power Options.  4. Define your hibernate settings on the Power Schemes tab, Advanced tab, and Hiberna

 3. In the Performance and maintenance window, click Conserving power on your computer. Power Management Options in Windows Vista The Microsoft

Back to Contents Page  Troubleshooting Dell™XPS™720Owner'sManual Solving Problems Follow these tips when you troubleshoot your computer

Run the Hardware Troubleshooter — See Troubleshooting Software and Hardware Problems.  Run the Dell Diagnostics — See Dell Diagnostics.  Optical d

 Check the Microsoft Outlook®Express security settings — If you cannot open your e-mail attachments: 1. In Outlook Express, click Tools® Options® S

1. Click Start ® Control Panel® Programs® Programs and Features. 2. Select the program you want to remove. 3. Click Uninstall. 4. See the p

Test the keyboard — Connect a properly working keyboard to the computer, then try using the keyboard.  Run the Hardware Troubleshooter — See Trouble

3. Follow the instructions on the screen.  A solid blue screen appears  Turn the computer off — If you are unable to get a response by pressing

 Check the mouse settings —  Windows XP 1. Click Start® Control Panel® Mouse. 2. Adjust the settings as needed. Windows Vista: 1. Click Start

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 &

l Ensure that the processor power cable is securely connected to the system board power connector (POWER2) (see System Board Components). l Remove a

 Verify that the scanner is recognized by Microsoft Windows —  Windows XP: 1. Click Start® Control Panel® Printers and Other Hardware® Scanners and

Video and Monitor Problems   The screen is blank  The screen is difficult to read  Check the monitor cable connection —  l Ensure that the mon

 Check the monitor settings — See the monitor documentation for instructions on adjusting the contrast and brightness, demagnetizing (degaussing) the

Beep Codes Your computer might emit a series of beeps during start-up if the monitor cannot display errors or problems. This series of beeps, called

System Messages 3-2-4 Keyboard Controller Test failure 3-3-1 NVRAM power loss 3-3-2 Invalid NVRAM configuration 3-3-4 Video Memory Test failure 3-4-

Dell Diagnostics   When to Use Dell Diagnostics If you experience a problem with your computer, perform the checks in Solving Problems and run Del

 1. Turn on your computer.  2. Press the eject button on the front of the optical drive to open the drive tray.  3. Place the Drivers and Uti

Drivers  What Is a Driver? A driver is a program that controls a device such as a printer, mouse, or keyboard. All devices require a driver program

If a problem occurs on your computer after you install or update a driver, use Windows Device Driver Rollback to replace the driver with the previousl

7. Disconnect the keyboard and mouse, then disconnect the computer and monitor from their electrical outlets.  8. Press the power button on the co

4. Right-click the device for which the driver is being reinstalled, then click Properties.  5. Click Driver® Update Driver® Install from a list o

 1. Click Start .  2. In the Start Search box, type System Restore and press <Enter>.  3. Click Next and follow the remaining prompts

If you do not press <Ctrl><F11> in time, let the computer finish starting, and then restart the computer again.  3. Click Restore and cl

 5. Click Dell Factory Image Restore. The Dell Factory Image Restore welcome screen appears.  6. Click Next. The Confirm Data Deletion screen a

7. Follow the instructions on the screen to complete the installation.  Troubleshooting Software and Hardware Problems If a device is either not de

l Wipe the keyboard, computer, and plastic part of the monitor with a soft cleaning cloth moistened with water. Do not soak the cloth or let water d

and can radiate radio frequency energy and, if not installed and used in accordance with the manufacturer's instruction manual, may cause harmful

Argentina (Buenos Aires) International Access Code: 00 Country Code: 54 City Code: 11 E-mail for Desktops and Portables [email protected] E-ma

Brunei Country Code: 673 Customer Service (Penang, Malaysia) 6046333101 or toll-free: 801 1012 Transaction Sales (Penang, Malaysia) 6046333101 or

Technical Support, Customer Service, Sales 0800-012-0231 Czech Republic (Prague) International Access Code: 00 Country Code: 420 Online Support suppor

Germany (Frankfurt) International Access Code: 00 Country Code: 49 City Code: 69 Technical Support for XPS computers only 06997927222 Technical Supp

toll-free: 1800-4252067 Sales  Large Corporate Accounts 1600338044 Home and Small Business 1600338046 Ireland (Cherrywood) International Access C

Back to Contents Page  Appendix Dell™XPS™720Owner'sManual Specifications System Setup Clearing Forgotten Passwords Clearing CMO

Public Sales – government agencies, educational institutions, and medical institutions 044-556-5963 Global Segment Japan 044-556-3469 Individual User

City Code: 20 Relational Sales 0206745000 Home/Small Business Sales Fax 0206744775 Relational Sales Fax 0206744750 Switchboard 0206745000

Singapore (Singapore) International Access Code: 005 Country Code: 65 Online Support support.ap.dell.com Technical Support – XPS computers only toll-f

Taiwan International Access Code: 002 Country Code: 886 Technical Support – XPS computers only toll-free:00801863085 Technical Support – OptiPlex,

Back to Contents Page  U.S.A. (Austin, Texas) International Access Code: 011 Country Code: 1 Higher Education toll-free:1-800-274-7799 Printers, Pro

Back to Contents Page  Finding Information Dell™XPS™720Owner'sManual NOTE: Some features or media may be optional and may not ship with

Back to Contents Page  Use the Service Tag to identify your computer when you use support.dell.com or contact support. l Enter the Express Service C

Back to Contents Page  Glossary Dell™XPS™720Owner'sManual Terms in this Glossary are provided for informational purposes only and may or

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 —

EIDE — enhanced integrated device electronics — An improved version of the IDE interface for hard drives and CD drives. EMI — electromagnetic interfer

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 (SL

megahertz (MHz), gigahertz (GHz), or terahertz (THz). I IC — integrated circuit — A semiconductor wafer, or chip, on which thousands or millions of t

memory module — A small circuit board containing memory chips, which connects to the system board. MHz — megahertz — A measure of frequency that equal

R RAID — redundant array of independent disks — Amethodofprovidingdataredundancy.SomecommonimplementationsofRAIDincludeRAID0,RAID1,RA

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

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

Back to Contents Page  Removing and Installing Parts Dell™XPS™720Owner'sManual Before You Begin This chapter provides procedures for re

l 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 com

 System Board Components 1 optical drive bays (4) 2 floppy drive/media card reader 3 hard drive bays (4) 4 card fan 5 liquid cooling assembly  

Memory You can increase your computer memory by installing memory modules on the system board. Your computer supports DDR2 memory. For additional in

 Addressing Memory Configurations If you are using a 32-bit operating system such as Microsoft® WindowsVista™,yourcomputerwillsupportamaximum

amber light — Blinking amber indicates a problem with an installed device; solid amber indicates an internal power problem. Hard-drive access light gr

 6. Replace the computer cover (see Replacing the Computer Cover).  7. Connect your computer and devices to electrical outlets, and turn them on.

 Removing PCI and PCI Express Cards  1. Follow the procedures in Before You Begin.  2. Remove the computer cover (see Removing the Computer Cove

 8. Rotate the card retainer back into its original position; push its tip so that its tab clicks into place.  9. If present, lower the card reten

 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 th

 1. Follow the procedures in Before You Begin.  2. Remove the computer cover (see Removing the Computer Cover).  3. If present, press the tab

 8. Install a filler bracket in the empty card-slot opening. If you are replacing the card, see Installing a PCI Express Graphics Card in a Dual Co

 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

 12. If present, lower the card retention device that lays over the installed cards and snap it into place.  13. Replace the computer cover (s

 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

  1. Follow the procedures in Before You Begin.  2. Remove the computer cover (see Removing the Computer Cover).  3. Disconnect the power ca

System Setup  Overview Use system setup as follows: l To change the system configuration information after you add, change, or remove any hardwar

Installing a Hard Drive   1. Follow the procedures in Before You Begin.  2. Remove the computer cover (see Removing the Computer Cover).  3.

 9. Replace the computer cover (see Replacing the Computer Cover).  10. Connect the computer and devices to electrical outlets, and turn them on

 5. Set the drive panel aside in a secure location.  Replacing the Drive Panel  1. Follow the procedures in Before You Begin.  2. Remove th

 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.

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 screw

 2. Remove the computer cover (see Removing the Computer Cover).  3. Remove the drive panel (see Removing the Drive Panel).  4. Disconnect t

 3. Remove the drive panel (see Removing the Drive Panel).  4. Remove the existing media card reader, if applicable (see Removing a Media Card R

Removing an Optical Drive  1. Follow the procedures in Before You Begin.  2. Remove the computer cover (see Removing the Computer Cover).  3.

Installing an Optical Drive  1. Follow the procedures in Before You Begin.  2. Remove the computer cover (see Removing the Computer Cover). 

 9. Check all cable connections and fold cables out of the way to avoid blocking airflow between the fan and cooling vents.  10. Replace the dr

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

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 should

 Installing the Liquid Cooling Assembly  1. Follow the procedures in Before You Begin.  2. Remove the computer cover (see Removing the Compute

 1. Follow the procedures in Before You Begin.  2. Remove the computer cover (see Removing the Computer Cover).  3. Disconnect the power cabl

 4. Set the processor lightly in the socket and ensure that the processor is level in the socket. When the processor is positioned correctly, press i

 6. In succession, carefully pull on each corner of the fan to detach the rubber grommets securing the fan to the fan cage.  Installing the Card

 6. Connect your computer and devices to electrical outlets, and then turn them on.  Removing the Optional Hard Drive Fan  1. Follow the procedur

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

 1. Transfer components from the existing system board to the replacement system board, if applicable.  2. Orient the system board assembly by al

 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 Colo

 DC Power Connector P2  DC Power Connector P3 (Graphics Card)  23 +5 VDC Red +5 VDC Red 24 COM Black COM Black   1-KW Power Supply 750-KW P

 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

DC Power Connector P4 (Graphics Card)  DC Power Connector P5 (FD1)  DC Power Connector P6 and P7 (BAY1 and Bay2)  DC Power Connectors P8 a

 DC Power Connectors P10-P13 (HDD2 and HDD5)  DC Power Connectors P14 (Peripheral)  DC Power Connector P15 (Graphics Card – 1-KW PSU Only)

 DC Power Connector P16 (Graphics Card – 1-KW PSU Only)  Removing the Power Supply  1. Follow the procedures in Before You Begin.  2. Remo

 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

 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 scr

 2. Remove the computer cover (see Removing the Computer Cover).  3. Remove any full-length expansion cards (see Removing PCI and PCI Express Ca

Battery   Replacing the Battery A coin-cell battery maintains computer configuration, date, and time information. The battery can last several yea

 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,

 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,

Back to Contents Page  Optimizing for Greater Performance Dell™XPS™720Owner'sManual Understanding Dual-Graphics Technology Understand

system parameters to tune system performance. These applications are not installed or supported by Dell. The default is Off.  NOTE: To enable overclo

Back to Contents Page Dell™QuickSet Dell™XPS™720Owner'sManual Dell™QuickSetallowsyoutoselectandadjustLEDlighteffects,alsokn

Back to Contents Page  Setting Up and Using Your Computer Dell™XPS™720Owner'sManual Front and Back View of the Computer  Front View

 Front I/O Connectors  Back Viewsetup (see System Setup). 10 power button Press to turn on the computer.  NOTE: The power button can also be used

 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 LE

Attaching the Computer Stand     1. Follow the procedures in Before You Begin.  2. Remove the thumb screw that is installed on the base of t

 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

l Do not install your computer in an enclosure that does not allow airflow. Restricting the airflow impacts your computer's performance, poss

 Connecting a Monitor (Without an Adapter)   1. Save and close all open files and exit all open programs.  2. Shut down the operating system:

 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 s

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

(Off default) power is restored after an AC power loss. l Off — The system stays off after AC power is restored. l On — The system powers on after A

 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 conne

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 c

If a drive failure occurs, subsequent read and write operations are directed to the other surviving drives. A replacement drive can then be rebuilt

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 Mirr

The Free Disk Selection window appears.  8. Click to select the drives that will make up the RAID configuration, click Next, and then click Next agai

 6. Click Next.  7. Under Free Disk Selection, select the hard drive(s) you want to include in the (migrated) array by clicking the checkbox bes

A CD player includes the following basic buttons: A DVD player includes the following basic buttons: These controls may not exist on all players in th

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 di

l Music MP3 files can be played only on MP3 players or on computers that have MP3 software installed. l Use a blank CD-RW to practice CD recording

Network Setup Wizard The Microsoft Windows operating system provides a Network Setup Wizard to guide you through the process of sharing files, print