System Setup 93• Onboard Network Controller — The computer attempts to boot from thenetwork. If no network is detected or there is no computer on the networkto which to boot, the computer attempts to boot from the next bootabledevice in the boot sequence.• USB Flash Device — The USB Flash Device option appears only if abootable USB device is connected to a USB port.NOTE: To boot to a USB device, the device must be bootable. To make surethat your device is bootable, check the device documentation.Changing Boot Sequence for the Current BootYou can change the boot device for the current boot, for example, to tell thecomputer to boot from the optical drive in order to run the Dell Diagnosticson the Drivers and Utilities disc, and then boot from the hard drive when thediagnostic tests are complete. You can also boot your computer to a USBdevice such as a floppy drive, memory key, or hard drive.NOTE: If you are booting to a USB floppy drive, you must first set the floppy drive toOFF in System Setup (see "System Setup" on page 81).1 If you are booting to a USB device, connect the USB device to a USBconnector (see "Back View (Tower Orientation)" on page 24 or "Back View(Desktop Orientation)" on page 28).2 Turn on (or restart) your computer.3 When the DELL logo appears, press immediately.NOTE: Keyboard failure may result when a key on the keyboard is held downfor extended periods of time. To avoid possible keyboard failure, press andrelease in even intervals until the Boot Device Menu appears.If you wait too long and the operating system logo appears, continue towait until you see the Microsoft Windows desktop, then shut down yourcomputer and try again.4 At the Boot Device Menu, use the up- and down-arrow keys or press theappropriate number on the keyboard to highlight the device that is to beused for the current boot only, and then press .For example, if you are booting to a USB memory key, highlight USB FlashDevice and press .
