Dell 2900 owner manual Exit Screen, Save Changes and Exit Discard Changes and Exit Return to Setup

Table 2-6. System Security Screen Options (continued)

Option	Description
Password Status	Setting the Setup Password option to Enabled prevents the system password from
	being changed or disabled at system start-up.
	To lock the system password, assign a setup password in the Setup Password option
	and then change the Password Status option to Locked. In this state, you cannot
	change the system password using the System Password option and cannot be
	disabled at system start-up by pressing <Ctrl><Enter>.
	To unlock the system password, enter the setup password in the Setup Password
	field and then change the Password Status option to Unlocked. In this state, you
	can disable the system password at system start-up by pressing <Ctrl><Enter>
	and then change the password using the System Password option.
Power Button	Turns system's power off and on.
	• If you turn off the system using the power button and the system is running an
	ACPI-compliant operating system, the system can perform an orderly shutdown
	before power is turned off.
	• If the system is not running an ACPI-compliant operating system, power is turned
	off immediately after the power button is pressed.
	The button is enabled in the System Setup program. When disabled, the button
	can only turn on system power.
	NOTE: You can still turn on the system by using the power button, even if the Power
	Button option is set to Disabled.
NMI Button	NOTICE: Use the NMI button only if directed to 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.
	Sets the NMI feature On or Off.
AC Power Recovery	Determines how the system reacts when power is restored to the system. If system
(Last default)	is set to Last, the system returns to the last power state. On turns on the system
	after power is restored. When set to Off, the system remains off after power is
	restored.

Exit Screen

After you press <Esc> to exit the System Setup program, the Exit screen displays the following options:

•Save Changes and Exit

•Discard Changes and Exit

•Return to Setup

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Using the System Setup Program