Dell TJ021 If the computer has a graphics card, Restart the computer, Your online User’s Guide

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Light Pattern	Problem Description	Suggested Resolution

	A possible graphics card failure has occurred.	• If the computer has a graphics card,
		remove the card, reinstall it, and then
		restart the computer.
		• If the problem still exists, install a
		graphics card that you know works and
		restart the computer.
		• If the problem persists or the computer
		has integrated graphics, contact Dell.
		For information on contacting Dell, see
		your online User’s Guide.

	A possible floppy or hard drive failure has	Reseat all power and data cables and
	occurred.	restart the computer.

	A possible USB failure has occurred.	Reinstall all USB devices, check cable
		connections, and then restart the
		computer.

No memory modules are detected.

•If you have one memory module installed, reinstall it and restart the computer. For information on reinstalling memory modules, see your online User’s Guide.

•If you have two or more memory modules installed, remove the modules, reinstall one module, and then restart the computer. If the computer starts normally, reinstall an additional module. Continue until you have identified a faulty module or reinstalled all modules without error.

•If available, install properly working memory of the same type into your computer.

•If the problem persists, contact Dell. For information on contacting Dell, see your online User’s Guide.

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Quick Reference Guide

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Contents Quick Reference Guide W . d e l l . c o m s u p p o r t . d e l l . c o mFebruary TJ021 Contents Contents Finding Information Click the topic that describes your problem What Are You Looking For? Find It Here Warranty informationHow to use Windows XP According to the operating system you orderedWhen contacting support Use the ServiceWhen you use Appropriate for your configuration, providing criticalSystem Views Mini Tower Computer Front ViewNo light The computer is turned off Blinking green The computer is in a power-saving modeYou Begin on page 13 for more information Steady green The computer is in a normal operating stateMini Tower Computer Back View Mini Tower Computer Back-Panel Connectors Though the AC power available in Japan is 100Computer Address. For more information, see your online User’s GuideGreen a good connection exists between a 10-Mbps network CapBefore Working Inside Your Computer Removing the Computer CoverBefore You Begin Mini Tower Computer Security cable slot Cover release latch Padlock ring Inside Your Computer System Board Components Jumper Settings Jumper Setting DescriptionSetting Up Your Computer Set Up Your Keyboard and Mouse Set Up Your Monitor Dell Diagnostics Solving ProblemsPower Connections When to Use the Dell DiagnosticsInsert the Drivers and Utilities CD Option Function Tab FunctionTechnical assistance. For information on contacting Power Light Problem Description Suggested ResolutionSystem Lights Dell, see your online User’s GuideDiagnostic Lights Light Pattern Problem Description Suggested ResolutionRestart the computer If the problem still exists, install aIf the computer has a graphics card Has integrated graphics, contact DellBeep Codes Using Microsoft Windows XP System Restore Resolving Software and Hardware IncompatibilitiesUndoing the Last System Restore Restoring the Computer to an Earlier Operating StateGetting Started Reinstalling Microsoft Windows XPReinstalling Windows XP Quick Reference Guide Microsoft Windows Vista Before You Begin Using the Drivers and Utilities CD Drivers for Your ComputerIndex IndexIndex