18 Quick Reference Guide3 If you run a test from the Custom Test or Symptom Tree option, click the applicable tab described inthe following table for more information.4 When the tests are completed, if you are running the Dell Diagnostics from the Drivers and UtilitiesCD, remove the CD.When the tests are complete, close the test screen to return to the Main Menu screen. To exit the DellDiagnostics and restart the computer, close the Main Menu screen.Lockups and Software ProblemsCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the ProductInformation Guide.The computer does not start upEN S U R E T H A T T H E AC A D A P T E R I S F I R M L Y C O N N E C T E D T O T H E C O M P U T E R A N D T O T H E E L E C T R I C A L O U T L E T .The computer stops respondingNOTICE: You might lose data if you are unable to perform an operating system shutdown.TU R N T H E C O M P U T E R O F F — If you are unable to get a response by pressing a key on your keyboard or moving yourmouse, press and hold the power button for at least 8 to 10 seconds until the computer turns off. Then restart yourcomputer.Tab FunctionResults Displays the results of the test and any error conditionsencountered.Errors Displays error conditions encountered, error codes, andthe problem description.Help Describes the test and may indicate requirements forrunning the test.Configuration Displays your hardware configuration for the selecteddevice.The Dell Diagnostics obtains configuration informationfor all devices from system setup, memory, and variousinternal tests, and it displays the information in thedevice list in the left pane of the screen. The device listmay not display the names of all the componentsinstalled on your computer or all devices attached to yourcomputer.Parameters Allows you to customize the test by changing the testsettings.