190 AppendixViewing the System Setup Screen1 Turn on (or restart) your computer.2 When the DELL logo appears, press immediately.If you wait too long and the Microsoft Windows logo appears, continue towait until you see the Windows desktop, then shut down your computerand try again.System Setup ScreenNOTE: For information about a specific item on a system setup screen, highlight theitem and see the Help area on the screen.On each screen, the system setup options are listed at the left. To the right ofeach option is the setting or value for that option. You can change settingsthat appear as white type on the screen. Options or values that you cannotchange (because they are determined by the computer) appear less bright.The upper-right corner of the screen displays help information for thecurrently highlighted option; the lower-right corner displays informationabout the computer. System setup key functions are listed across the bottomof the screen.Commonly Used OptionsCertain options require that you reboot the computer for new settings to takeeffect.Changing the Boot SequenceThe boot sequence, or boot order, tells the computer where to look to find thesoftware needed to start the operating system. You can control the bootsequence and enable/disable devices using the Boot Order page of the systemsetup program.NOTE: To change the boot sequence on a one-time-only basis, see "Performing aOne-Time Boot" on page 191.The Boot Order page displays a general list of the bootable devices that maybe installed in your computer, including but not limited to the following:• Diskette Drive• Internal HDD