2-4 Setting Up the System4. Click Start on the taskbar, then point to and click Shut Down. SelectShut down the computer, then click Yes or press Enter for shutdown, depending on your operating system.! If the system is configured with Windows 98 or Windows 2000,the system shuts down automatically after a short interval.! If the system is configured with Windows NT, perform aWindows shut down, then power off the system by pressing andholding in the power button for four seconds or longer.Power-Saving OperationIf the system is running Windows 98 or Windows 2000, you can put it insleep mode (a power-saving state) by pressing and immediately releasingthe power button on the front of the system unit. The sleep modeconserves energy when you are going to be away from your system formore than 15 minutes.Take care to press and immediately release thepower button to enter the sleep mode. Avoid pressing and holding in thepower button longer than three seconds or you may turn off power andpossibly lose data from any open applications.The system also goes into sleep mode when it has been inactive, if thepower management has been enabled, and an inactivity timeout has beenenabled. To see if power management is enabled, click Start, point toSettings, click Control Panel, and double click Power Management.Click the Power tab and check the settings. (Also see Chapter 3,ìConfiguring Your System,î for setting other power managementfunctions.)When the system goes into sleep mode, it automatically saves data andsystem status and then shuts off power to all possible components. Sleepmode lets you save power without first saving your work.An amber sleep lamp and blank screen indicates that the system is in sleepmode. Press a key or move the mouse to resume system operation whereyou left off.