Dell R515 owner manual Exit Screen, Do so by qualified support personnel or by, Diagnostic screen

Option	Description
Power Button	If Enabled, the power button can turn the system's power
(Enabled default)	off and on. On an ACPI-compliant operating system, the
	system performs an orderly shutdown before power is
	turned off.
	When Disabled, the button can only turn on
	system power.
NMI Button	CAUTION: Use the NMI button only if directed to
(Disabled default)	do so by qualified support personnel or by the
	operating system's documentation. Pressing this
	button halts the operating system and displays a
	diagnostic screen.
	Enables or disables the NMI feature.
AC Power Recovery	Determines how the system reacts when power is restored.
(Last default)	If set to Last, the system returns to the last power state.
	On turns on the system after power is restored. Off allows
	the system to remain off after power is restored.

AC Power Recovery Delay Determines when the system restarts after power is

(Immediate default) restored. Options are Immediate (no delay), Random (between 30 to 240 seconds for iDRAC6, or 45 to 240 seconds for BMC), or User Defined.

User Defined Delay Determines the user defined AC Recovery Delay.

Exit Screen

Press <Esc> to exit the System Setup program; the Exit screen displays:

•Save changes and exit

•Discard changes and exit

•Return to Setup

Using the System Setup Program and UEFI Boot Manager

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