122 Appendixw w w . d e l l . c o m | s u p p o r t . d e l l . c o m Commonly Used OptionsCertain options require that you reboot the computer for new settings totake effect.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 thesystem setup program.NOTE: To change theboot sequence on a one-time-only basis, seepage 123.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• Modular bay HDD• Internal HDD• CD/DVD/CD-RW driveDuring the boot routine, the computer starts at the top of the list and scanseach enabled device for the operating system start-up files. When thecomputer finds the files, it stops searching and starts the operating system.To control the boot devices, select (highlight) a device by pressing theor key, and then enable or disable the device or change itsorder in the list.• To enable or disable a device, highlight the item. Enabled items appearas white and display an arrow to the left; disabled items appear blue ordimmed without a triangle.• Press or to change the option.• To reorder a device in the list, highlight the device and then pressor (not case-sensitive) to move the highlighted device upor down.Boot sequence changes take effect as soon as you save the changes and exitthe system setup program.
