20 Setup and Quick Reference Guidew w w . d e l l . c o m | s u p p o r t . d e l l . c o mSolving ProblemsDell provides a number of tools to help you if your system does not performas expected. For the latest troubleshooting information available for yoursystem, see the Dell support website at support.dell.com. You can also finddescriptions of Dell troubleshooting tools in the section titled “GettingHelp” in your online User’s Guide.If computer problems occur that require help from Dell, write a detaileddescription of the error, beep codes, or diagnostics light patterns; recordyour Express Service Code and Service Tag Number below; and thencontact Dell from the same location as your computer.See “Finding Information and Assistance” on page 5 for an example of theexpress service code and service tag numbers.Express Service Code: ___________________________Service Tag Number: ___________________________Your computer includes the following tools that can help you solve aproblem:D E L L DI A G N O S T I C S — The Dell Diagnostics test various components in yourcomputer and help to identify the cause of computer problems. For moreinformation, see "Running the Dell Diagnostics" on page 22.SY S T E M LI G H T S — Located on the front of the computer, these lights can helptroubleshoot a computer problem. For more information, see your User’s Guide.D I A G N O S T I C LI G H T S — Located on the back of the computer, these lights canhelp troubleshoot a computer problem. For more information, see your User’sGuide.SY S T E M ME S S A G E S — The computer reports these messages to warn you ofcurrent or possible failure. For more information, see your User’s Guide.BE E P CO D E S — A series of audible beep codes emitted by your computer canhelp identify a problem. For more information, see your User’s Guide.