Dell 545s, 537s, 535s, 546s, F957N setup guide Solving Problems, Network Problems

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Solving Problems

This section provides troubleshooting information for your computer. If you are unable to solve your problem using the following guidelines, see “Using Support Tools” on page 30 or “Contacting Dell” on page 48.

WARNING: Only trained service personnel should remove the computer cover. See the Service Manual on the Dell Support website at support.dell.com for advanced service and troubleshooting instructions.

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practice information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

Network Problems

Wireless Connections

If the network connection is lost — The wireless router is offline or wireless has been disabled on the computer.

•Check your wireless router to ensure it is powered on and connected to your data source (cable modem or network hub).

•Re-establish your connection to the wireless router:

a.Save and close any open files, and exit any open programs.

b.Click Start → Connect To.

c.Follow the instructions on the screen to complete the setup.

INSPIRON

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Contents Inspiron Page SETUP GUIDE February 2009 P/N F957N Rev. A00 Contents Finding More Information Resources Specifications Appendix Before Setting Up Your Computer Setting Up Your Inspiron DesktopExtend the Rear Stabilizing Feet Connect the Display Connect Using the VGA ConnectorConnect Using the DVI Connector Connect Using the Hdmi ConnectorConnect the Keyboard and Mouse Connect the Network Cable Optional Display and Computer Computer and Display Connect to the Internet Optional Windows Vista SetupSetting Up a Wireless Connection Setting Up a Wired Internet ConnectionClick Start → Connect To Setting Up Your Internet Connection Setting Up Your Inspiron Desktop Front View Features Using Your Inspiron DesktopUsing Your Inspiron Desktop Power supply diagnostic light Back View FeaturesExpansion card slots Access Back panel connectors Plug USBCenter/subwoofer connector Orange Connects to a subwoofer Back Panel ConnectorsProductivity and Communication Software FeaturesEntertainment and Multimedia Customizing the Desktop Customizing Your Energy SettingsBacking Up Your Data Network Problems Solving ProblemsSolving Problems Power Problems If you receive an insufficient memory message Memory ProblemsIf a program stops responding End the program Lockups and Software ProblemsClick Applications Welcome screen, click Next Solving Problems Dell Support Center Using Support ToolsTwo beeps No RAM Detected Beep CodesSystem Messages Drive is installed properly and partitioned as a boot device Hardware Troubleshooter Dell DiagnosticsClick Start → Help and Support Insert the Drivers and Utilities disc Type 1 to start the CD menu and press Enter to proceed System Recovery Options Starting System Restore System RestoreUndoing the Last System Restore Click Undo my last restoration and click NextDell Factory Image Restore Dell Factory Image RestoreBefore You Begin Operating System ReinstallationClick Exit if the Install Windows message appears Reinstalling Windows VistaGetting Help DellConnect ServiceSupport.dell.com Online ServicesMobilesupport@us.dell.com Support@us.dell.com Ftp.dell.comProduct Information Automated Order-Status ServiceReturning Items for Repair Under Warranty or for Credit Before You Call Diagnostic ChecklistVisit support.dell.com Contacting DellGetting Help If you need to See Finding More Information and ResourcesAt support.dell.com Compliance Computer Model SpecificationsDrives Expansion Slots Front Panel ConnectorsComputer Environment Physical PowerMemory By model 535s/537s 545s 546s ProcessorAudio Type By model 535s 545s 546s Back Panel ConnectorsMacrovision Product Notice AppendixIndex Index Index Index Page