Setup and Quick Reference Guide 23Solving 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 21 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:DE L L DI A G N O S T I C S — The Dell Diagnostics tests various components inyour computer and helps to identify the cause of computer problems. For moreinformation, see "Running the Dell Diagnostics" on page 24.TH E F O L L O W I N G F E A T U R E S C A N I N D I C A T E A P O S S I B L E F A I L U R E A N DH E L P Y O U T R O U B L E S H O O T A C O M P U T E R P R O B L E M . SE E Y O U R User’sGuide F O R M O R E I N F O R M A T I O N —SY S T E M LI G H T S — Located on the front of the computerDI A G N O S T I C LI G H T S — Located on the back of the computerSY S T E M ME S S A G E S — Appear on your monitor screenBE E P CO D E S — A series of audible beeps emitted by your computer