Dell TJ021, 745c manual Mini Tower Computer

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3Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.

4If applicable, remove the computer stand (for instructions, see the documentation that came with the stand).

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.

5Remove the computer cover. See "Mini Tower Computer" on page 14.

NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.

Mini Tower Computer

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 computer cover.

1Follow the procedures in "Before You Begin" on page 13.

2Lay the computer on its side as shown in the illustration.

3Locate the cover release latch shown in the illustration. Then, slide the release latch back as you lift the cover.

4Grip the sides of the computer cover and pivot the cover up using the hinge tabs as leverage points.

5Remove the cover from the hinge tabs and set it aside on a soft nonabrasive surface.

CAUTION: Graphic card heatsinks may become very hot during normal operation. Ensure that a graphic card heatsink has had sufficient time to cool before you touch it.

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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