60 Solving Problemsw w w . d e l l . c o m | s u p p o r t . d e l l . c o m • If failures are detected during the Pre-boot System Assessment, write down the errorcode(s) and contact Dell before continuing on to the Dell Diagnostics. See "ContactingDell" on page 113.If the Pre-boot System Assessment completes successfully, you receive the message BootingDell Diagnostic Utility Partition. Press any key to continue.6 Press any key to start the Dell Diagnostics from the diagnostics utility partition on your harddrive.Dell Diagnostics Main Menu1 After the Dell Diagnostics loads and the Main Menu screen appears, click the button for theoption you want.2 If a problem is encountered during a test, a message appears with an error code and adescription of the problem. Write down the error code and problem description and followthe instructions on the screen.If you cannot resolve the error condition, contact Dell. See "Contacting Dell" on page 113.NOTE: The Service Tag for your computer is located at the top of each test screen. If you contact Dell,technical support will ask for your Service Tag.3 If you run a test from the Custom Test or Symptom Tree option, click the applicable tabdescribed in the following table for more information.Option FunctionExpress Test Performs a quick test of devices. This test typically takes10 to 20 minutes and requires no interaction on yourpart. Run Express Test first to increase the possibility oftracing the problem quickly.Extended Test Performs a thorough check of devices. This test typicallytakes an hour or more and requires you to answerquestions periodically.Custom Test Tests a specific device. You can customize the tests youwant to run.Symptom Tree Lists the most common symptoms encountered andallows you to select a test based on the symptom of theproblem you are having.