Dell XPS 720 owner manual Memory Problems, Solid blue screen appears, Other software problems

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A solid blue screen appears

TU R N T H E C O M P U T E R O F F If you are unable to get a response by pressing a key on your keyboard or moving your mouse, press and hold the power button for at least 8 to 10 seconds (until the computer turns off), and then restart your computer.

Other software problems

C H E C K T H E S O F T W A R E D O C U M E N T A T I O N O R C O N T A C T T H E S O F T W A R E M A N U F A C T U R E R F O R T R O U B L E S H O O T I N G I N F O R M A T I O N

Ensure that the program is compatible with the operating system installed on your computer.

Ensure that your computer meets the minimum hardware requirements needed to run the software. See the software documentation for information.

Ensure that the program is installed and configured properly.

Verify that the device drivers do not conflict with the program.

If necessary, uninstall and then reinstall the program.

B A C K U P Y O U R F I L E S I M M E D I A T E L Y

U S E A V I R U S - S C A N N I N G P R O G R A M T O C H E C K T H E H A R D D R I V E , F L O P P Y D I S K S , CD S , O R DVD S

S A V E A N D C L O S E A N Y O P E N F I L E S O R P R O G R A M S A N D S H U T D O W N Y O U R C O M P U T E R T H R O U G H T H E S T A R T M E N U

Memory Problems

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

I F Y O U R E C E I V E A N I N S U F F I C I E N T M E M O R Y M E S S A G E

Save and close any open files and exit any open programs you are not using to see if that resolves the problem.

See the software documentation for minimum memory requirements. If necessary, install additional memory (see "Installing Memory" on page 92).

Reseat the memory modules (see "Memory" on page 90) to ensure that your computer is successfully communicating with the memory.

Run the Dell Diagnostics (see "Dell Diagnostics" on page 72).

I F Y O U E X P E R I E N C E O T H E R M E M O R Y P R O B L E M S

Reseat the memory modules (see "Memory" on page 90) to ensure that your computer is successfully communicating with the memory.

Ensure that you are following the memory installation guidelines (see "Installing Memory" on page 92).

Ensure that the memory you are using is supported by your computer. For more information about the type of memory supported by your computer, see "Memory" on page 161.

Run the Dell Diagnostics (see "Dell Diagnostics" on page 72).

Troubleshooting

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Contents W . d e l l . c o m s u p p o r t . d e l l . c o m Dell XPSApril NP756 Contents Understanding Dual-Graphics Technology Power Management Options in Windows VistaConfiguring Power Management Settings Mail, Modem, and Internet ProblemsPreparing to Work Inside Your Computer Starting Dell Diagnostics From Your Hard DriveUsing Windows Device Driver Rollback Troubleshooting Software and Hardware Problems102 Network Adapter and Sound Card Settings 105General Drive Installation Guidelines 107 100141 Power Supply PSU DC Connector Pin Assignments 142139 140179 178Desktop System Software DSS Warranty informationDrivers for my computer My device documentationYour call when contacting support Finding Information Service Tag and Microsoft Windows Product KeyClick the topic that describes your problem Then enter your Service Tag or product modelAppropriate for your configuration, providing critical How to use your Windows operating systemAccording to the operating system you ordered Operating System MediaFront View Setting Up and Using Your ComputerFront and Back View of the Computer No light The computer is turned off Blinking green The computer is in a power-saving stateBlinking amber An internal power problem may exist Computer. Instead, perform an operating system shutdownFront I/O Connectors Back View Computer Back I/O ConnectorsGreen a good connection exists between a 10-Mbps network Attaching the Computer Stand Slots Captive screw Stabilizing feet closedInstalling Your Computer in an Enclosure Setting Up and Using Your Computer Connecting Monitors Windows XP, click Start→ Turn Off Computer→ Turn off Connecting a Monitor Without an AdapterDVI white connector TV-OUT connector Connecting a Monitor With an Adapter DVI white connector DVI-to-VGA adapter optional Connecting a Monitor in a Dual Graphics Card ConfigurationPrimary video card Connecting a TV Connecting Two or More MonitorsWindows XP, click Start→ Turn Off Computer→ Turn off RAID Level 0 Configuration About Your RAID ConfigurationRAID Level 0+1 Configuration RAID Level 1 ConfigurationSetting Up and Using Your Computer Configuring Your Hard Drives for RAID RAID Level 5 ConfigurationUsing the Nvidia MediaShield ROM Utility Setting Your Computer to RAID-Enabled ModeClick Create under System Tasks Using Nvidia MediaShieldDeleting a RAID Array Free Disk Selection window appearsClearing System Data window appears Page Using Multimedia DVD player includes the following basic buttons Copying CD, DVD, and Blu-ray Disc BD MediaCD player includes the following basic buttons Media Type Read Write Rewritable DVD-Writable Drives Helpful TipsUsing a Media Card Reader Optional Network Setup Wizard To copy data from the source computer Click Checklist for creating a networkTransferring Information to a New Computer To transfer data to the new computer Power Management Options in Windows XPStandby Mode Power Schemes Tab Hibernate ModePower Options Properties Advanced Tab Advanced tab allows you to Power schemes drop-down menu displays the following schemesConfiguring Power Management Settings Power Management Options in Windows VistaSleep Mode Setting Up and Using Your Computer Optimizing for Greater Performance Understanding Dual-Graphics TechnologyUnderstanding CPU Overclocking Optimizing for Greater Performance Dell QuickSet Dell QuickSetDell QuickSet Follow these tips when you troubleshoot your computer Solving ProblemsBattery Problems Drive ProblemsHard drive problems Optical drive problemsProblems writing to an optical drive Mail, Modem, and Internet Problems D O W S Ieee 1394 Device Problems Lockups and Software Problems Solid blue screen appears Memory ProblemsOther software problems Network Problems Mouse ProblemsPrinter Problems Power ProblemsScanner Problems No sound from speakers Sound and Speaker ProblemsVideo and Monitor Problems No sound from headphones3D image quality is poor Screen is difficult to readPower Lights Diagnostic Lights See Memory on Light Pattern Problem Description Suggested ResolutionEnsure that the memory you are using is Ensure that no special requirements forComputer for resource conflicts see Problems onPCI Express Cards on Restart the computerCode Cause Beep CodesMessage Possible Cause Corrective Action System MessagesMessage Possible Cause Starting Dell Diagnostics From Your Hard Drive Dell DiagnosticsWhen to Use Dell Diagnostics Troubleshooting Custom Test only Dell Diagnostics Main MenuOption Function Tab FunctionClick Start → Computer→ System Properties→ Device Manager What Is a Driver?Drivers Identifying DriversClick Driver and click Roll Back Driver Using the Drivers and Utilities MediaAt the Welcome Dell System Owner screen, click Next Restoring Your Operating System Using Microsoft Windows System RestoreYou can restore your operating system in the following ways Using Dell PC Restore and Dell Factory Image Restore Removing PC Restore Select Repair Your Computer Click Dell Factory Image RestoreUsing the Operating System Media Click Hardware Troubleshooter in the Search Results list Troubleshooting Software and Hardware ProblemsClick Start and click Help and Support Troubleshooting Preparing to Work Inside Your Computer Removing and Installing PartsBefore You Begin Recommended ToolsRemoving the Computer Cover Computer cover Cover release latch Inside View of Your Computer System Board Components PCI-Express x1 card slot Card cage fan connector Liquid cooling assemblyMemory DDR2 Memory OverviewAddressing Memory Configurations Processor Installing MemoryMemory connector closest to Securing clips Crossbar Removing and Installing PartsRemoving Memory Cards Release tab Card retainer Fan bracket Removing and Installing PartsRemoving PCI and PCI Express Cards PCI Express x16 card Securing tab Installing PCI and PCI Express Cards PCI Express x16 card Securing tab Alignment bar Alignment guide Outside of slot Card connector seatedWithin slot Cards Graphics card bridge Power connectors100 Fan bracket 101102 103 104 105 Network Adapter and Sound Card SettingsIf you installed a sound card If you removed a sound card106 If you removed an add-in network connectorDrives Your computer supportsOptical drive bays Floppy drive/media card General Drive Installation GuidelinesAbout Serial ATA Drives 107Sata data cable Hard DriveRemoving a Hard Drive 108109 Power cableBlue tabs Hard drive Installing a Hard Drive110 111 Hard drive2 hard drive bay 112113 Drive PanelRemoving the Drive Panel Drive release latch Drive panel Replacing the Drive Panel114 115 Floppy DriveRemoving a Floppy Drive 116 Drive release latch Installing a Floppy Drive117 Floppy drive 118119 Media Card ReaderRemoving a Media Card Reader Cable Media card reader power120 121 Installing a Media Card ReaderMedia card reader 122123 Optical DriveRemoving an Optical Drive Data cable 124125 Installing an Optical DriveOptical drive 126127 Processor airflow shroud Removing the Processor Airflow Shroud AssemblyProcessor Airflow Shroud 128129 Installing the Processor Airflow Shroud AssemblyProcessor Removing the ProcessorSocket release lever Installing the Processor130 Processor cover131 132 FansRemoving the Card Fan 133 Cage housing Fan cageCard fan Rubber grommet Installing the Card Fan134 135 Removing the CPU FanRubber grommet CPU fan Installing the CPU Fan136 137 Removing the Optional Hard Drive Fan138 Installing the Optional Hard Drive Fan139 Screw Card fan assemblySystem Board Removing the System BoardScrew Installing the System Board140 141 Power Supply13 14 15 16 17 18 19 20 21 22 23 Power Supply PSU DC Connector Pin AssignmentsDC Power Connector P1 142143 +12 VA DC/SE Yellow DC Power Connector P2144 +12 VC DC Blue/White+12 VB DC/SE White +12 VC DC/SE Blue/White +12 VB DC White Removing and Installing Parts145 +12 VA DC Yellow+12 VE DC/SE Blue/Yellow +12 VB DC White DC Power Connector P3 Graphics CardDC Power Connector P4 Graphics Card 146 +12 VE DC Blue/Yellow +12 VC DC Blue/White DC Power Connector P5 FD1147 148 DC Power Connector P6 and P7 BAY1 and Bay2DC Power Connectors P8 and P9 HDD0 and HDD1 +12 VB DC White +12 VA DC Yellow DC Power Connectors P10-P13 HDD2 and HDD5149 +12 VB DC White DC Power Connector P15 Graphics Card 1-KW PSU OnlyPin Number Signal Name 150151 Removing the Power SupplyDC Power Connector P16 Graphics Card 1-KW PSU Only Screws 152153 Power supply screws154 Installing the Power SupplyExternal Ieee 1394 port External USB ports Front I/O PanelFront I/O-Panel Components 155Front I/O panel Removing the Front I/O Panel156 157 BatteryInstalling the I/O Panel Replacing the Battery158 To replace the batteryRemoving the Computer Stand Computer stand Replacing the Computer Cover159 Computer cover Cover hinge tabs 160161 Specifications162 163 164 Computer Setup see System Setup on Back panel LEDsGuide Backup battery CR2032 lithium coin cell 508 cm/sec 16550.8 cm/sec Overview System SetupEntering System Setup Use system setup as follows167 System Setup Options168 169 170 Appropriate time field Low Power Mode171 Strip or surge protector172 173 Boot Sequence174 Clearing Forgotten PasswordsChanging Boot Sequence for Future Boots 175 Clearing Cmos Settings176 Cleaning Your ComputerComputer, Keyboard, and Monitor Mouse177 FCC Notices U.S. OnlyFloppy Drive CDs and DVDs178 Class a Class BFCC Identification Information 179 Contacting DellYou can contact Dell through the Internet and by phone Online Support Support.ap.dell.com 180Online Support La-techsupport@dell.com 181Online Support Support.euro.dell.com 182 Online Support International Access CodeTechnical Support, Customer Service, Sales Toll-free Online Order Status 183184 Calling from Guayaquil Appendix 185Fisupport@dell.com 186187 188 189 190 191 192 193 194 Fax 21 424 01 Appendix 195Transaction Sales Toll-free 1 800 394 Corporate Sales 196Sales Penang, Malaysia Technical Support, Customer Service, 604 633197 Technical Support Fax 08 590 05 Sales 08 587 705 198020 140 14 199 Home and Small Business Fax 0870 907 Country Code Customer Service Online City Code200 Corporate/Public Sector Sales 01344 860Leases and Loans Toll-free Dell Preferred Accounts DPA 201Or Speech-Impaired Country Code Fax Toll-free 202 203 Glossary204 Docking device See APR 205206 207 208 209 210 211 212 Video resolution See resolutionIndex 213Index 215 Reinstalling Windows Vista, 78 reinstalling Windows XPSLI 217 Sleep mode, 47 System Restore218
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XPS 720, 720 specifications

The Dell XPS 720 is a powerful desktop computer that epitomizes the brand's commitment to performance and innovation. Introduced as part of the XPS (Extreme Performance System) line, the XPS 720 was designed for gamers, content creators, and tech enthusiasts who demand high performance from their machines.

One of the standout features of the XPS 720 is its impressive processing capabilities. The system can be equipped with Intel's quad-core processors, notably the Intel Core 2 Quad, which allows for exceptional multitasking and enhanced performance in multi-threaded applications. This makes it suitable for gaming, video editing, and graphic design.

The XPS 720 also offers a high level of customization, giving users the ability to select their desired specifications. Customers can choose between various configurations of RAM, hard drives, and graphics cards. The XPS 720 supports multi-GPU setups with NVIDIA’s SLI technology, enabling gamers to run the latest titles at optimal settings and resolutions, while also improving performance in demanding applications.

In terms of graphics capabilities, the XPS 720 can be outfitted with powerful NVIDIA GeForce or ATI Radeon graphics cards. This feature makes it a strong candidate for users who require cutting-edge visual performance, whether it’s for gaming, immersive simulations, or graphic-intensive applications.

Cooling solutions are a critical component of the XPS 720’s design, as high-performance systems generate substantial heat. Dell incorporates an advanced cooling system that includes unique thermal management technology to maintain optimal temperatures during heavy use, thereby prolonging the life and performance of the internal components.

The chassis of the XPS 720 is not only aesthetically pleasing but also functional. It features a sleek, futuristic design with customizable LED lighting, providing a visually appealing experience. The case also allows for easy upgrades and maintenance, which is essential for users who wish to enhance their systems over time.

Connectivity options are abundant on the XPS 720, with multiple USB ports, audio jacks, and high-definition multimedia interfaces. The inclusion of high-speed Ethernet and optional Wi-Fi capabilities ensures that users can stay connected whether for online gaming or browsing the web.

Overall, the Dell XPS 720 stands out as a commendable desktop solution that combines raw power, flexibility, and cutting-edge technologies. It remains a favorite among those looking for a robust machine capable of handling a wide variety of demanding tasks, from gaming to professional creative work. Whether you are a hardcore gamer or a professional seeking performance, the XPS 720 offers an exceptional computing experience.