Dell Alienware 18 Owner's Manual - Page 118

Changing Boot Sequence for the Current Boot, Boot Device Menu, USB Storage, Device - drivers

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Changing Boot Sequence for the Current Boot You can use this feature to change the current boot sequence, for example, to boot from the optical drive to run Dell Diagnostics from the Drivers and Utilities disc. The previous boot sequence is restored at the next boot. 1 If you are booting from a USB device, connect the USB device to a USB port. 2 Turn on (or restart) your computer. 3 When F2 Setup, F12 Boot Options appears in the lower-right corner of the screen, press . NOTE: 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. 4 On the Boot Device Menu choose the device you want to boot from. For example, if you are booting to a USB memory key, highlight USB Storage Device and press . Changing Boot Mode for Future Boots 1 Turn on (or restart) your computer. 2 During POST, when the DELL logo is displayed, watch for the F2 prompt to appear and then press immediately. NOTE: The F2 prompt indicates that the keyboard has initialized. This prompt can appear very quickly, so you must watch for it, and then press . If you press before the F2 prompt, this keystroke is lost. If you wait too long and the operating system logo appears, continue to wait until you see the operating system's desktop. Then, turn off your computer and try again. 3 Use the arrow keys to highlight Change boot mode setting menu option and press to access the menu. 4 Use the arrow keys to select legacy boot mode or UEFI boot mode and press . Changing Boot Sequence for Future Boots 1 Enter system setup. See "Entering System Setup" on page 109. 2 Use the arrow keys to highlight the Boot menu option and press 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 select LEGACY BOOT or UEFI BOOT. 4 Press plus (+) or minus (-) to change the boot priority of the device. 118 | System Setup

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System Setup
Changing Boot Sequence for the Current Boot
You can use this feature to change the current boot sequence, for example, to boot from
the optical drive to run Dell Diagnostics from the
Drivers and Utilities
disc. The previous
boot sequence is restored at the next boot.
1
If you are booting from a USB device, connect the USB device to a USB port.
2
Turn on (or restart) your computer.
3
When
F2 Setup, F12 Boot Options
appears in the lower-right corner of the
screen, press <F12>.
NOTE:
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.
4
On the Boot Device Menu choose the device you want to boot from.
For example, if you are booting to a USB memory key, highlight
USB Storage
Device
and press <Enter>.
Changing Boot Mode for Future Boots
1
Turn on (or restart) your computer.
2
During POST, when the DELL logo is displayed, watch for the F2 prompt to appear and
then press <F2> immediately.
NOTE:
The F2 prompt indicates that the keyboard has initialized. This prompt
can appear very quickly, so you must watch for it, and then press <F2>. If you
press <F2> before the F2 prompt, this keystroke is lost. If you wait too long and
the operating system logo appears, continue to wait until you see the operating
system’s desktop. Then, turn off your computer and try again.
3
Use the arrow keys to highlight
Change boot mode setting
menu option and
press <Enter> to access the menu.
4
Use the arrow keys to select legacy boot mode or UEFI boot mode and press <Enter>.
Changing Boot Sequence for Future Boots
1
Enter system setup. See "Entering System Setup" on page 109.
2
Use the arrow keys to highlight the
Boot
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 select
LEGACY BOOT
or
UEFI BOOT
.
4
Press plus (+) or minus (–) to change the boot priority of the device.