Dell Precision M2400 (Mid 2008) - Manual (Page 135)

Close the Export Security Keys to USB Key and drive explorer windows to return to the Altiris Console.
Take the USB device to the computer, insert the device, and turn on the computer. The USB device is recognized immediately
and you are prompted to
Continue with Auto Provisioning (Y/N)
Press <y>.
Press any key to continue with system boot...