Dell Precision 370 - Manual (Page 34)

Onboard or USB CD Drive — The computer attempts to boot from the CD drive. If no CD is in the drive, or if the CD
has no operating system, the computer generates an error message.
USB Device — Insert the memory device into a USB port and restart the computer. When F12 = Boot Menu appears in
the upper-right corner of the screen, press . The BIOS detects the device and adds the USB flash option to the
boot menu.
NOTE: To boot to a USB device, the device must be bootable. To make sure your device is bootable, check the device
documentation.
Changing Boot Sequence for the Current Boot
You can use this feature, for example, to tell the computer to boot from the CD drive so that you can run the Dell Diagnostics
on the Drivers and Utilities CD, but you want the computer to boot from the hard drive when the diagnostic tests are
complete. You can also use this feature to restart your computer to a USB device such as a floppy drive, memory key.
NOTE: If you are booting to a USB floppy drive, you must first set the floppy drive to OFF in system setup .
1. If you are booting to a USB device, connect the USB device to a USB connector .
2. Turn on (or restart) your computer.
3. When F2 = Setup, F12 = Boot Menu appears in the upper-right corner of the screen, press .
If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft Windows
desktop. Then shut down your computer and try again.
The Boot Device Menu appears, listing all available boot devices. Each device has a number next to it.
4. At the bottom of the menu, enter the number of the device that is to be used for the current boot only.
For example, if you are booting to a USB memory key, highlight USB Flash Device and press .
NOTE: To boot to a USB device, the device must be bootable. To make sure your device is bootable, check the device
documentation.
Changing Boot Sequence for Future Boots
1. Enter system setup.
2. Use the arrow keys to highlight the Boot Sequence menu option and press to access the pop-up 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