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, or CD drive.
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 <F12>.
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 Device
and press <Enter>.
Changing Boot Sequence for Future Boots
1.
Enter system setup
.
2.
Use the arrow keys to highlight the
Boot Sequence
menu option and press <Enter> to access the pop-up menu.
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 <Shift><Up Arrow> or <Shift><Down Arrow> to move a selected device up or down the list.
Booting to a USB Device
Memory Key
1.
Insert the memory key into a USB port and restart the computer.
2.
When
F12 = Boot Menu
appears in the upper-right corner of the screen, press <F12>.
The BIOS detects the device and adds the USB device option to the boot menu.
3.
From the boot menu, select the number that appears next to the USB device.
The computer boots to the USB device.
Floppy Drive
1.
In system setup, set the
Diskette Drive
option to
USB
.
2.
Save and exit system setup.
3.
Connect the USB floppy drive, insert a bootable floppy, and re-boot the system.
NOTE:
If you are booting to a USB floppy drive, you must first set the floppy drive to USB in
system setup
.
NOTE:
To boot to a USB device, the device must be bootable. To make sure your device is bootable, check the device documentation.
NOTE:
Write down your current boot sequence in case you want to restore it.
NOTE:
To boot to a USB device, the device must be bootable. To ensure that your device is bootable, check the device documentation.
Summary of Contents for OptiPlex GX520
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