44 Setting Up and Using Your ComputerDell has added a fourth, Dell-Recommended mode that sets powermanagement to the most typical settings for the majority of our customers.This is the active Power Plan.Standby ModeStandby mode is the default "off" state for Windows Vista. Standby modeconserves power by turning off the display and the hard drive after a time-out.When the computer exits from standby mode, it returns to the operatingstate it was in before it entered standby mode.To set standby mode to automatically activate after a defined period of inactivity:1 Click Start and click Control Panel.2 Click System and Maintenance.3 Under System and Maintenance, click Power Options.The next dialog box will show three power plans - the top option isDell Recommended - this is the currently active plan.There is also a show additional plans arrow underneath the three powerplans. You can have many power plans, but only three are displayed and thetop one is the active plan.To immediately activate standby mode without a period of inactivity, clickStart , and then click the off button icon. Windows Vista sets Standby asthe default off state.To exit from standby mode, press a key on the keyboard or move the mouse.NOTICE: If your computer loses power while in standby mode, it may lose data.Windows Vista has a new feature called Hybrid Sleep mode - this saves the data into afile and also puts the system into standby. If you lose power, the system retains your dataon the hard drive and resumes to the same state you left it. Go to Help and Support andsearch for Hybrid Sleep for further information. Hybrid Sleep provides fast wake if thesystem is in standby, but also keeps your data safe by storing it to the hard drive.Hibernate ModeHibernate mode conserves power by copying system data to a reserved area onthe hard drive and then completely turning off the computer. When thecomputer exits from hibernate mode, the desktop is restored to the state itwas in before it entered hibernate mode. Windows Vista may mask Hibernatefrom the user if Hybrid Sleep is enabled. See Help and Support for furtherinformation - search for Hibernate.
