50 Using the System Setup Program and UEFI Boot ManagerExit ScreenPress to exit the System Setup program. The Exit screen appears:• Save Changes and Exit• Discard Changes and Exit• Return to SetupPower Button(Enabled default)If Enabled, the power button can turn the system's poweroff and on. On an ACPI-compliant operating system, thesystem performs an orderly shutdown before power isturned off.When Disabled, the button can only turn onsystem power.NMI Button(Disabled default)CAUTION: Use the NMI button only if directed todo so by qualified support personnel or by theoperating system's documentation. Pressing thisbutton halts the operating system and displays adiagnostic screen.Enables or disables the NMI feature.AC Power Recovery(Last default)Determines how the system reacts when power isrestored. If set to Last, the system returns to the lastpower state. On turns on the system after power isrestored. Off allows the system to remain off after poweris restored.AC Power Recovery Delay(Immediate default)Determines when the system restarts after power isrestored. Options are Immediate (no delay),Random (between 30 to 240 seconds for Integrated DellRemote Access Controller (iDRAC), or 45 to 240 secondsfor BMC), or User Defined.User Defined Delay Determines the user defined AC Recovery Delay.Option Description
