Power Button; Power Management - Dell OptiPlex SX270 User Manual

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Power Button

NOTICE: To turn off your computer, perform an orderly computer shutdown when possible.
You can use the ACPI feature to configure the function of the Microsoft Windows 2000, and Windows XP operating systems.
Power Button Functions With ACPI Enabled
Action Results
Computer Turned
On
and ACPI Enabled
Press Computer goes into
power standby mode or
button turns off (depending
on the operating
system setup)
Hold Computer turns off
power
button
for 6
seconds*
NOTE: Pressing or holding the power button to shut down
the computer may result in data loss. Use the power button
to shut down the computer only if the operating system is
not responding.
Power Button Functions With ACPI Disabled
Action Results
Computer Computer in
Turned On and Suspend
ACPI Disabled Mode
Press power Computer turns Computer
button off immediately turns off
immediately
Hold power Computer turns Computer
button for 6 off turns off
seconds*
NOTE: Pressing or holding the power button to shut down
the computer may result in data loss. Use the power button
to shut down the computer only if the operating system is
not responding.
Power Button Functions for Windows NT
Action Results
Computer
Turned On
Press power button Computer shuts
down
Hold power button Computer turns
for 6 seconds* off
NOTE: Pressing or holding the power button to shut down
the computer may result in data loss. Use the power button
to shut down the computer only if the operating system is
not responding.

Power Management

Your computer can be set to use less power when you are not working. You control the power usage through the operating system installed on your
computer and certain option settings in
Computer Computer
in Standby Turned Off
Mode
Computer Boots and
turns on computer
turns on
Computer Boots and
turns off computer
turns on
Computer
Turned Off
Boots and
computer
turns on
Boots and
computer
turns on
Computer Turned
Off
Boots and computer
turns on
Boots and computer
turns on
system setup. These periods of reduced power are called "sleep states:"