USB 3.0 ports (2) NOTE: Your Alienware X51 R2 computer supports dual orientation. You can place your computer vertically or horizontally. The rotatable AlienHead allows you to change the direction of the AlienHead depending on the orientation of your computer.
LFE port security-cable slot USB 3.0 ports (2) network port and network lights coaxial S/PDIF port Specifications For detailed information regarding the configuration of your computer, see Specifications at dell.com/support. About Your Computer...
Before You Begin Turn Off Your Computer and Connected Devices CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer. Save and close all open files and exit all open programs. Access the Settings charm in the Charms sidebar.
Before you begin, read the safety information that shipped with your computer. For more safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. WARNING: Only a certified service technician is authorized to remove the computer cover and access any of the components inside.
Working Inside Your Computer WARNING: Only a certified service technician is authorized to remove the computer cover and access any of the components inside the computer. For information on removing and replacing the internal component of your computer, contact Alienware. See "Contacting Alienware" on page 18. Working Inside Your Computer...
System Setup Overview Use the system setup to: • get information about the hardware installed in your computer, such as the amount of RAM, the size of the hard drive, and so on • change the system configuration information • set or change a user-selectable option, such as user password, type of hard drive installed, enabling or disabling base devices, and so on CAUTION:...
Setup Item — This field appears on the Help Screen — This field appears on the left side of the system setup window. right side of the system setup window and The field is a scrollable list containing contains information about each option features that define the configuration of listed in the Setup Item.
Page 12
ME Information Displays the version of the Management Engine (ME) ME Firmware Firmware. Version Memory Information Displays the total computer memory. Total Memory Displays the amount of memory available on the computer. Memory Available Memory Technology Displays the type of memory technology used. Displays the memory speed.
Page 13
Advanced — Integrated Devices Allows you to enable or disable the integrated USB USB Controller controller. Allows you to enable or disable the integrated audio HD Audio controller. Allows you to enable or disable the onboard LAN controller. Onboard LAN Controller Allows you to select which of the Integrated/Discrete Primary Display...
Page 14
Set Boot Priority Allows you to select Legacy or UEFI boot mode. 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 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.
Changing Boot Sequence for Future Boots Enter system setup. See "Entering System Setup" on page 10. Scroll using the mouse or 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. Navigate to Set Boot Priority to change the devices assigned to the following: –...
– Choose from My Products and Services List – Choose from a list of all Dell products Click Continue and follow the instructions on the screen. Select the Operating System installed in your computer. A list of results appears on the screen. Click BIOS.
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: Go to dell.com/contactdell. Select the appropriate service or support link based on your need.