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Dell X51 manual

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Table of contents for the manual

  • Page 1

    www .dell.com | support.dell.com/manuals Alienware X51 Owner’ s Manual Regulatory model: D05S Regulatory type: D05S001 book.book Page 1 Tuesday , January 17, 2012 10:32 PM[...]

  • Page 2

    Notes, Cautions, and W arnings NOTE: A NOTE indicates important informat ion that helps you make better use of your product. CAUTION: A CAUTION indicates either pot ential damage to hardware or loss of data, and tells you how to avoid the problem. WAR N IN G: A WARNING indicates a potential for property damage, personal injury , or death. _________[...]

  • Page 3

    Contents 3 Contents 1 About Y our Computer . . . . . . . . . . . . . . . . . 5 Front View . . . . . . . . . . . . . . . . . . . . . . . . . 5 Back View . . . . . . . . . . . . . . . . . . . . . . . . . 6 Specifications . . . . . . . . . . . . . . . . . . . . . . . 6 2 Before Y ou Begin . . . . . . . . . . . . . . . . . . . . 7 T urn Off Y our Compu[...]

  • Page 4

    4 Contents 5 Flashing the BIOS . . . . . . . . . . . . . . . . . 19 6 Contacting Alienware . . . . . . . . . . . . . . 21 W ebsites . . . . . . . . . . . . . . . . . . . . . . 21 book.book Page 4 Tuesday , January 17, 2012 10:32 PM[...]

  • Page 5

    About Y our Computer 5 1 About Y our Computer Front V iew NOTE: Y our Alienware X51 computer supports dual orientation. Y ou 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 . 1 power button 2 optical-drive eject button 3 op[...]

  • Page 6

    6 About Y our Computer Back Vi ew Specifications F or more information on specificat ions of your computer , see support.dell.com/manuals . 1 optical S/PDIF connector 2 HDMI connector 3 USB 2.0 connectors (4) 4 USB 3.0 connectors (2) 5 audio connectors (6) 6 hard-drive activity light 7 AC-adapter connector 8 discrete graphics card 9 security-cable [...]

  • Page 7

    Before Y ou Begin 7 2 Before Y ou Begin T urn Off Y our Computer and Connected Devi ces CAUTION: T o avoid losing data, save and close all open files and exit all open programs before you turn off your computer . 1 Save and close all open files and exit all open programs. 2 Click Start and click Shut Down . Microsoft W indows shuts down an d then t[...]

  • Page 8

    8 Before Y ou Begin CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have connectors with locking tabs or thumb-screws that you must disengage before dis onn ecting the cable. When disconnecting cables, keep them evenly al igned to avoid bending any connector pins. When connecting [...]

  • Page 9

    W orking Inside Y our Computer 9 3 W orking Inside Y our Computer CAUTION: Only a certified servi ce technician is authorized to r emove the computer cover and access any of the components inside the computer . See the safety instructions for complete in formation about safety precautions and protecting against elect rostatic discharge. F or inform[...]

  • Page 10

    10 W orking Inside Y our Computer book.book Page 10 Tues day, January 17, 2012 1 0:32 PM[...]

  • Page 11

    Sy st em Setup 11 4 Sy stem Setup Overview Use the system setup to: • get information about the har d ware inst alled 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 the user pass word, type of hard drive insta[...]

  • Page 12

    12 Sy stem Setup Sy stem Setup Screens The system setup screen displays current or changeable configuratio n information for your computer . Informat ion on the screen is divided into three ar ea s: the setup item , active help screen , and key functions . Sy stem Setup Options NOTE: Depending on your computer and installed devices, the items liste[...]

  • Page 13

    Sy st em Setup 13 Memory Information Total Memory Displays the total memory of the computer . Memory Available Displays the amount of memory available on the computer . Memory Technology Displays the type of me mory technology used. Memory Speed Displays the memory speed. CPU Information Processor ID Displays the processor identifica tion code. CPU[...]

  • Page 14

    14 Sy stem Setup Advanced — CPU Configuration Hyper-threading Technology If disa bled only one thread per enabled core is active. XD Bit Capability Enable XD Bit Capability to allow the processor to distinguish between the bits of code that can be ex ecuted and the ones that cannot be ex ecuted. Intel(R) SpeedStep tech If enabled, the processor c[...]

  • Page 15

    Sy st em Setup 15 Security Supervisor Password: Allows you to change the supervisor passwor d . User Password: Allows you to change the user passwor d. Y ou cannot use the user password to enter the BIOS setup, during POST . Set Supervisor Password Allows you to set a supervisor password. Set User Password Allows you to set a supervisor password. B[...]

  • Page 16

    16 Sy stem Setup Boot Sequence This featur e allows you t o change the boot sequence for devices. Boot Options • Diskette Drive — The computer attempts to bo ot 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[...]

  • Page 17

    Sy st em Setup 17 Changing Boot Sequence for the Current Boot Y ou can use this feature to change th e curr ent boot sequence, for example, to boot from the opt ical drive to run Dell Diagnostics from the Drivers and Utilities disc. The previous boot sequence is restor ed at the next boot. 1 If you are booting from a USB device, connect the USB dev[...]

  • Page 18

    18 Sy stem Setup book.book Page 18 Tues day, January 17, 2012 1 0:32 PM[...]

  • Page 19

    Flashing the BIOS 19 5 Flashing the BIOS The BIOS may require flashing when an update is avai lable or when replacing the system board. T o flash the BIOS: 1 T urn on the computer . 2 Go to support.dell.com/support/downloads . 3 Locate the BIOS update file for your computer: NOTE: The Service T ag for your computer is located on a label at the back[...]

  • Page 20

    20 Flashing the BIOS book.book Page 20 Tues day, January 17, 2012 1 0:32 PM[...]

  • Page 21

    Contacting Alienware 21 6 Contacting Alienware NOTE: Dell provides several online and telephone-based support and service options for your Alienware computer . Thes e services may vary by country and product and may not be available in your area. T o contact Dell for sales, technical support, or customer service issues: 1 Go to dell.com/contactdell[...]