86 Troubleshooting ToolsDell Diagnostics Main Menu1 After the Dell Diagnostics loads and the Main Menu screen appears, clickthe button for the option you want.NOTE: It is recommended that you select Test System to run a complete test onyour computer.2 After you have selected the Test System option from the main menu, thefollowing menu appears:NOTE: It is recommended that you select Extended Test from the menu belowto run a more thorough check of devices in the computer.3 If a problem is encountered during a test, a message appears with an errorcode and a description of the problem. Write down the error code andproblem description and see "Contacting Dell" on page 181.NOTE: The Service Tag for your computer is located at the top of each testscreen. If you contact Dell, technical support will ask for your Service Tag.Option FunctionTest Memory Run the stand-alone memory testTest System Run System DiagnosticsExit Exit the DiagnosticsOption FunctionExpress Test Performs a quick test of devices in the system.This typically can take 10 to 20 minutes.Extended Test Performs a thorough check of devices in the system.This typically can take an hour or more.Custom Test Use to test a specific device or customize the tests tobe run.Symptom Tree This option allows you to select tests based on asymptom of the problem you are having. This optionlists the most common symptoms.