Using system diagnosticsIf you experience a problem with your system, run the system diagnostics before contacting Dell EMC for technicalassistance. The purpose of running system diagnostics is to test your system hardware without using additionalequipment or risking data loss. If you are unable to fix the problem yourself, service and support personnel can use thediagnostics results to help you solve the problem.Dell Embedded System DiagnosticsThe Embedded System Diagnostics provides a set of options for particular device groups or devices.Also known as Enhanced Pre-boot System Assessment (ePSA) diagnostics, Embedded System Diagnostics allows youto:l Run tests automatically or in an interactive model Repeat testsl Display or save test resultsl Run thorough tests to introduce additional test options to provide extra information about the failed device(s)l View status messages that inform you if tests are completed successfullyl View error messages that inform you of problems encountered during testingRunning Embedded System Diagnostics from Boot ManagerIf your system does not boot., run the Embedded System Diagnostics (ePSA).Procedure1. While the system is booting, press F11.2. Use the keyboard arrows to select System Utilities > Launch Diagnostics.ResultsThe ePSA Pre-boot System Assessment window is displayed, listing all devices detected in the system. Thediagnostics starts executing the tests on all the detected devices.Running Embedded System Diagnostics from the Dell Lifecycle ControllerPerform the following steps to run the Embedded System Diagnostics from the Dell Lifecycle Controller.Procedure1. While the system is booting, press F10.2. Select Hardware Diagnostics > Run Hardware Diagnostics.The ePSA Pre-boot System Assessment window is displayed, listing all devices detected in the system. Thediagnostics starts executing the tests on all the detected devices.ResultsThe ePSA Pre-boot System Assessment window is displayed, listing all devices detected in the system. Thediagnostics starts executing the tests on all the detected devices.System diagnostic controlsConfigurationDisplays the configuration and status information of all detected devices.ResultsDisplays the results of all tests that are run.System diagnostics and indicator codes40 R740xd Owner's Guide