124 Ap pe nd ixw 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 to take effect.Changing the Boot SequenceThe boot sequence, or boot order, tells the computer where to look to find the softwareneeded to start the operating system. You can control the boot sequence using the BootOrder page of the system setup program. The Boot Order page displays a general list of thebootable devices that may be installed in your computer, including but not limited to thefollowing:• 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 scans each enableddevice for the operating system start-up files. When the computer finds the files, it stopssearching and starts the operating system.To control the boot devices, select (highlight) a device by pressing the or key,and then enable or disable the device or change its order in the list.• To enable or disable a device, highlight the item and press .Enabled items appear as white and display a small triangle to their left; disabled itemsappear blue or dimmed without a triangle.• To reorder a device in the list, highlight the device and then press or (notcase-sensitive) to move the highlighted device up or down.Boot sequence changes take effect as soon as you save the changes and exit the system setupprogram.Performing a One-Time BootYou can set a one-time-only boot sequence without entering the system setup program.(You can also use this procedure to boot the Dell Diagnostics on the diagnostics utilitypartition on your hard drive.)1 Shut down the computer.2 Connect the computer to an electrical outlet.3Y647bk0.book Page 124 Wednesday, April 2, 2003 3:24 PM
