Power Management - Dell OptiPlex 330 User Manual

• Access information about your computer, such as how many processors it
has and what operating system it is running.
• Monitor the status of your computer, such as listening for thermal alerts
from temperature probes or hard-drive failure alerts from storage devices.
• Change the state of your computer, such as updating its BIOS or shutting
it down remotely.
A managed system is one that has Dell OpenManage Client Instrumentation
set up on a network that uses IT Assistant. For information about Dell
OpenManage Client Instrumentation, see the Dell OpenManage Client
Instrumentation User's Guide available on the Dell Support website at
support.dell.com.

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 system setup. These periods of
reduced power are called "sleep modes," in Windows Vista™, and "standby," in
® .
Windows XP
NOTE:
All components installed in the computer must support the hibernate and/or
standby mode feature(s) and have the appropriate drivers loaded to enter either of
these sleep modes. For more information, see the manufacturer's documentation
for each component.
• Standby. In this sleep mode, power is reduced or turned off for most
components, including the cooling fans. However, system memory remains
active.
• Hibernate. This sleep mode reduces power consumption to a minimum by
writing all data in system memory to a hard drive and then removing
system power. Waking up from this mode restarts the computer, and the
memory contents are restored. Operation then resumes where the
computer left off when it entered the hibernation mode.
• Shutdown. This sleep mode removes all power from the computer except a
small auxiliary amount. As long as the computer remains connected to an
electrical outlet, it can be automatically or remotely started. For example,
the Auto Power On option in system setup allows the computer to
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Advanced Features