Dell Alienware Steam Machine R2 Service Manual - Page 86

Boot sequence, Changing boot sequence for the current boot

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Boot sequence This feature allows you to change the sequence of devices that your computer attempts to boot from. If the computer cannot boot from the device you select, it attempts to boot from the next bootable device. You can use this feature to change the: • Current Boot Sequence - change the boot sequence for the current boot, for example, to boot from the optical drive to run Dell Diagnostics from the Drivers and Utilities disc or to reinstall your operating system using an external media. The previous boot sequence is restored at the next boot. • Future Boot Sequence - change the boot sequence for all future boots, for example, to boot from the primary hard drive. Changing boot sequence for the current 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 appear 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 Options appears, listing all available boot devices. 4 On the Boot Options, select the device you want to boot from and press Enter. For example, if you are booting to a USB hard drive, highlight USB Hard Disk and press Enter. Boot Options Following are the devices that your computer can boot from: Hard Drive - The computer attempts to boot from the primary hard drive. If no operating system is on the drive, the computer generates an error message. USB Storage Device - Insert the memory device into a USB connector and restart the computer. When F12 Boot Options appear in the lower-right corner of the screen, press F12. 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 ensure that your device is bootable, check the device documentation. Network - The computer attempts to boot from the network. If no operating system is found on the network, the computer generates an error message. 86

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Boot sequence
This feature allows you to change the sequence of devices that your computer attempts
to boot from. If the computer cannot boot from the device you select, it attempts to boot
from the next bootable device. You can use this feature to change the:
•
Current Boot Sequence — change the boot sequence for the current boot, for
example, to boot from the optical drive to run Dell Diagnostics from the Drivers and
Utilities disc or to reinstall your operating system using an external media. The
previous boot sequence is restored at the next boot.
•
Future Boot Sequence — change the boot sequence for all future boots, for example,
to boot from the primary hard drive.
Changing boot sequence for the current 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
appear 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 Options
appears, listing all available boot devices.
4
On the
Boot Options
, select the device you want to boot from and press Enter.
For example, if you are booting to a USB hard drive, highlight
USB Hard Disk
and press Enter.
Boot Options
Following are the devices that your computer can boot from:
Hard Drive
— The computer attempts to boot from the primary hard drive. If no
operating system is on the drive, the computer generates an error message.
USB Storage Device
— Insert the memory device into a USB connector and restart the
computer. When
F12 Boot Options
appear in the lower-right corner of the screen, press
F12. 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 ensure that
your device is bootable, check the device documentation.
Network
— The computer attempts to boot from the network. If no operating system is
found on the network, the computer generates an error message.
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