Dell XPS 720 (Mid 2007) - Manual (Page 174)

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Appendix
4 At the Boot Device Menu, use the up- and down-arrow keys or press the appropriate number on the
keyboard to highlight the device that is to be used for the current boot only, and then press <Enter>.
For example, if you are booting to a USB memory key, highlight USB Flash Device and press
<Enter>.
NOTE:
To boot to a USB device, the device must be bootable. To make sure that your device is bootable, check the
device documentation.
Changing Boot Sequence for Future Boots
1 Enter system setup (see "Entering System Setup" on page 166).
2 Use the arrow keys to highlight the Boot Sequence menu option and press <Enter> to access the
menu.
NOTE:
Write down your current boot sequence in case you want to restore it.
3 Press the up- and down-arrow keys to move through the list of devices.
4 Press the spacebar to enable or disable a device (enabled devices have a checkmark).
5 Press plus (+) or minus (–) to move a selected device up or down the list.
Clearing Forgotten Passwords
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
NOTICE:
This process erases both the system and setup passwords
1 Follow the procedures in "Before You Begin" on page 85.
2 Remove the computer cover (see "Removing the Computer Cover" on page 86).
3 Locate the 2-pin password jumper (PASSWORD) on the system board (see "System Board
Components" on page 89), then remove the jumper plug and set the plug aside.
4 Close the computer cover.
5 Connect your keyboard and mouse, then connect your computer and monitor to electrical outlets and
turn them on.