1167Using system diagnosticsIf you experience a problem with your system, run the system diagnostics before contacting Dell for technical assistance. Thepurpose of running system diagnostics is to test yoursystem hardwarewithout requiring additional equipment or risking data loss. Ifyou are unable to fix the problem yourself, service and support personnel can use the diagnostics results to help you solve theproblem.Dell Embedded System DiagnosticsNOTE: The Dell Embedded System Diagnostics is also known as Enhanced Pre-boot System Assessment (ePSA)diagnostics.The Embedded System Diagnostics provides a set of options for particular device groups or devices allowing you to:• Runtestsautomaticallyorinaninteractivemode• Repeat tests• Display or save test results• Run thorough tests to introduce additional test options to provide extra information about the failed device(s)• Viewstatus messages that inform you if tests are completed successfully• View error messages that inform you of problems encountered during testingRunning the Embedded System DiagnosticsRunthe EmbeddedSystem Diagnostics(ePSA)ifyoursystemdoesnotboot.Theembeddedsystemdiagnosticsprogramisrunfromthe Dell LifecycleController.PrerequisiteIf a major component ordevice in the system does not operate properly,running theembedded system diagnostics may indicatecomponent failure.CAUTION: Use the embedded system diagnostics to test only your system. Using this program with other systems maycause invalid results or error messages.Steps1. As the system boots, press F11.2. Use the up and down arrow keys to select System Utilities → Launch Dell Diagnostics.The ePSA Pre-boot System Assessment window is displayed, listing all devices detected in the system. The diagnostics startsrunning the tests on all the detected devices.Running embedded system diagnostics from an external media1. Format the external resource media (USB flash drive or CDROM) to emulate a hard drive.See the documentation that came withthe resource media for instructions.2. Configure the resource media to be a bootable device.3. Createa directoryfor the system diagnostics onthe resource media.4. Copy the system diagnostics files into the directory.To download the Dell diagnostics utility, go to Dell.com/support/home.5. Connect the resource media on your system.6. As the system boots, press F11.