6Using system diagnosticsIf you experience a problem with your system, run the system diagnostics before contacting Dell fortechnical assistance. The purpose of running system diagnostics is to test your system hardware withoutrequiring additional equipment or risking data loss. If you are unable to fix the problem yourself, serviceand support personnel can use the diagnostics results to help you solve the problem.Dell Embedded System DiagnosticsNOTE: The Dell Embedded System Diagnostics is also known as Enhanced Pre-boot SystemAssessment (ePSA) diagnostics.The Embedded System Diagnostics provides a set of options for particular device groups or devicesenabling you to:• Run tests automatically or in an interactive mode• Repeat tests• Display or save test results• Run thorough tests to introduce additional test options to provide extra information about the faileddevice(s)• View status messages that inform you if tests are completed successfully• View error messages that inform you of problems encountered during testingWhen to use the Embedded System DiagnosticsRun the Embedded System Diagnostics (ePSA) if you cannot boot, POST, or startup your system.Running the Embedded System Diagnostics from Boot Manager1. When the system is booting, press F11.2. Use the up and down arrow keys to select System Utilities → Launch Diagnostics.The ePSA Pre-boot System Assessment window is displayed, listing all devices detected in thesystem. The diagnostics starts executing the tests on all the detected devices.Running the Embedded System Diagnostics from the Dell LifecycleController1. As the system boots, press F11.2. Select Hardware Diagnostics → Run Hardware Diagnostics.The ePSA Pre-boot System Assessment window is displayed, listing all devices detected in thesystem. The diagnostics starts executing the tests on all the detected devices.129
