Dell Alienware X51 R2 Owners Manual

							System Setup  |  11
System Setup Options 
 NOTE: Depending on your computer and installed devices, the items listed in this 
section may or may not appear exactly as listed. Setup Item — This field appears on the 
left side of the system setup window. 
The field is a scrollable list containing 
features that define the configuration of 
your computer, including installed 
hardware, power conservation, and 
security features.
Scroll up and down the list using the 
mouse or with the up- and down-arrow 
keys. As an option is highlighted, the 
Help Screen displays more 
information about that option and 
available settings.Help Screen — This field appears on the 
right side of the system setup window and 
contains information about each option 
listed in the Setup Item. In this field you 
can view information about your computer 
and make changes to your current settings.
Use the mouse or press the up-arrow and 
down-arrow keys to highlight an option. 
Double-click or press  to make that 
selection active and return to the Setup 
Item.
NOTE: Not all settings listed in the Setup 
Item are changeable.
Key Functions — This field appears below the Help Screen and lists keys and their 
functions within the active system setup field.
Main
System DateDisplays the current date in mm/dd/yyy format.
System TimeDisplays the current time in hh:mm:ss format.
BIOS Information
BIOS VersionDisplays the BIOS version number.
Build DateDisplays the BIOS release date.
Product Information
Product NameDisplays the product name.
Set Service TagAllows you to enter the service tag of your computer.
Asset TagDisplays the asset tag of your computer.
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							12  |  System Setup ME Information
ME Firmware 
VersionDisplays the version of the Management Engine (ME) 
Firmware.
Memory 
Information
Total MemoryDisplays the total computer memory.
Memory AvailableDisplays the amount of memory available on the computer.
Memory TechnologyDisplays the type of memory technology used.
Memory SpeedDisplays the memory speed.
CPU Information
Processor IDDisplays the processor identification code.
CPU Speed Displays the processor speed.
Cache L2Displays the processor L2 cache size.
Cache L3Displays the processor L3 cache size.
Device Information
SATA Port1Displays the device connected to SATA Port1.
SATA Port2Displays the device connected to SATA Port2.
SATA Port3Displays the device connected to SATA Port3.
mSATA DeviceDisplays the mSATA device.
Advanced — Advanced BIOS Features 
OptionRom Display 
ScreenAllows you to display or hide the RAID option ROM screen 
during POST.
Advanced — CPU 
Configuration 
XD Bit CapabilityAllows you to enable or disable XD Bit Capability.
NOTE: If enabled, the processor distinguishes between 
the bits of code that can and cannot be executed. 
Intel(R) SpeedStep 
TechnologyAllows you to enable or disable Intel (R) Speedstep 
Technology.
NOTE: If enabled, the processor clock speed and core 
voltage are adjusted dynamically based on the 
processor load.
CPU C StatesAllows you to enable or disable CPU C states.
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							System Setup  |  13
Advanced — Integrated Devices
USB ControllerAllows you to enable or disable the integrated USB 
controller.
HD AudioAllows you to enable or disable the integrated audio 
controller.
Onboard LAN 
ControllerAllows you to enable or disable the onboard LAN controller.
Primary DisplayAllows you to select which of the Integrated/Discrete 
graphics device should be the Primary Display.
PXE Option
UEFI PXE DriverAllows you to enable to disable boot option for UEFI (Unified 
Extensible Firmware Interface) Network Devices.
PCIE Gen3Allows you to enable or disable PCIE Gen3 capability.
Advanced — Power Management Setup
AC RecoverySets what action the computer takes when power is 
restored.
Security
Supervisor Password:Displays the Supervisor Password status.
User Password:Displays the User Password status.
Set Supervisor 
PasswordAllows you to set or change a supervisor password.
Set User PasswordAllows you to set or change a user password.
NOTE: This item is only displayed when the supervisor 
password is already set.
Boot Menu SecurityAllows you to enable to disable Boot Menu Security.
NOTE: This item is only displayed when the supervisor 
password is already set.
Boot
Boot Configuration
Bootup NumLock StateAllows you to enable or disable the keyboard NumLock 
state.
Wait For ’F1’ If 
ErrorIf enabled, the system HALT during boot to display system 
errors.
Secure Boot ControlAllows you to enable or disable secured booting.
Load Legacy OPROMAllows you to enable or disable the Legacy Option ROM.
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							14  |  System Setup Set Boot Priority
Boot ModeAllows you to select Legacy or UEFI boot mode.
NOTE: Legacy boot mode if selected, enables booting to 
devices that support Legacy BIOS. UEFI boot mode if 
selected, enables UEFI drivers.
CAUTION: Changing boot modes require that 
your boot storage device be partitioned to 
match the boot mode compatibility. Changing 
boot modes could result in an incompatible boot 
storage device, which may prevent the original 
OS boot. Restoring the boot mode may resolve 
an incompatible boot storage device failure and 
recover the original OS boot.
Usb Boot SupportAllows you to enable or disable booting from USB mass 
storage devices such as hard drive, optical drive, USB flash 
drives, and so on.
1st BootDisplays the first boot device.  
Default: UEFI:Windows Boot Manager.
2nd BootDisplays the second boot device. 
Default: USB Hard Disk.
3rd BootDisplays the third boot device. 
Default: CD/DVD.
4th BootDisplays the fourth boot device. 
Default: Floppy.
5th BootDisplays the fifth boot device. 
Default: Network.
Hard Disk Drive BBS 
PrioritiesSets the hard drive boot priority. The items displayed are 
dynamically updated according to the hard drives detected.
Exit
Provides options to 
Save Changes and Reset, Discard Changes and 
Reset
, and Restore Defaults.
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							System Setup  |  15
Boot Sequence
This feature allows you to change the boot sequence for devices.
Boot Options
•Floppy — The computer attempts to boot from the floppy disk drive. If no operating 
system is on the drive, the computer generates an error message.
•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.
•CD/DVD/CD-RW Drive — The computer attempts to boot from the optical drive. If 
no disc is in the drive, or if the disc is not bootable, 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 . 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.
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.
1If you are booting from a USB device, connect the USB device to a USB connector.
2Turn on (or restart) your computer.
3When F2 Setup, F12 Boot Options appear 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 Options appears, listing all available boot devices. 
4On the Boot Options choose the device you want to boot from.
For example, if you are booting to a USB hard disk, highlight USB Hard Disk and 
press .
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							16  |  System Setup
Changing Boot Sequence for Future Boots
1Enter system setup. See Entering System Setup on page 10.
2Scroll using the mouse or 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.
3Navigate to Set Boot Priority to change the devices assigned to the following:
–1st Boot
–2nd Boot
–3rd Boot
–4th Boot
–5th Boot
4Double-click or use the arrow keys to highlight the boot priority and press  to 
display the different devices. 
5Select the device and press  or double-click to set the boot priority.
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							Flashing the BIOS  |  17
Flashing the BIOS
The BIOS may require flashing when an update is available or when replacing the system 
board. To flash the BIOS:
1Turn on the computer.
2Go to dell.com/support/downloads.
3Under the category Support for Home Users, click Drivers & Downloads Home.
4Locate the Service Tag of your computer. The Service Tag for your computer is on a 
label at the back of your computer. For more information, see the Quick Start Guide 
that shipped with your computer. 
If you have your computer’s Service Tag or Express Service Code:
aClick Enter Service Tag.
bEnter your computer’s Service Tag or Express Service Code in the Service Tag 
or Express Service Code: field, click Submit, and proceed to step 5.
If you do not have your computer’s Service Tag,
aSelect one of the following options:
–Automatically detect my Service Tag for me
–Choose from My Products and Services List
–Choose from a list of all Dell products
bClick Continue and follow the instructions on the screen.
5Select the Operating System installed in your computer. 
6A list of results appears on the screen. Click BIOS.
7Click Download File to download the latest BIOS file.
8In the Choose Download Method window, click Single-file download, and then click 
Continue.
9In the Save As window, select an appropriate location to download the file on your 
computer.
10If the Download Complete window appears, click Close.
11Navigate to the folder where you downloaded the BIOS update file. The file icon 
appears in the folder and is titled the same as the downloaded BIOS update file.
12Double-click the BIOS update file icon and follow the instructions on the screen.
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							18  |  Contacting Alienware
Contacting Alienware
 NOTE: Dell provides online and telephone-based support and service options for 
your Alienware computer. These services may vary by country and product and may 
not be available in your area.
To contact Dell for sales, technical support, or customer service issues:
1Go to dell.com/contactdell.
2Select the appropriate service or support link based on your need.
3Choose the method of contacting Dell that is convenient for you.
If you are in the United States, call 1-800-ALIENWARE for help on your Alienware computer.
Websites
For the latest information, FAQs, and solutions to most common issues,  
see dell.com/Alienware.
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