Alienware X51
Contents
1. e Diskette Drive The computer attempts to boot from the floppy disk drive If no operating system is on the drive the computer generates an error message e 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 e 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 appears in the lower right corner of the screen press lt F 12 gt The BIOS detects the device and adds the USB flash option to the boot menu K NOTE To boot to a USB device the device must be bootable To ensure that your device is bootable check the device documentation e Network The computer attempts to boot from the network If no operating system is found on the network the computer generates an error message 16 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 connector Turn on or restart your compu2. Security Supervisor Password User Password Set Supervisor Password Set User Password Allows you to change the supervisor password Allows you to change the user password You cannot use the user password to enter the BIOS setup during POST Allows you to set a supervisor password Allows you to set a supervisor password Boot Set Boot Priority lst Boot Device 2nd Boot Device 3rd Boot Device 4th Boot Device 5th Boot Device 6th Boot Device 7th Boot Device Hard Disk Drive BBS Priorities USB Disk BBS Drive Priorities CD DVD ROM Drive BBS Priorities Displays the first boot device Default USB floppy drive Displays the second boot device Default USB hard drive Displays the third boot device Default USB optical drive Displays the fourth boot device Default hard drive Displays the fifth boot device Default optical drive Displays the sixth boot device Default network boot Displays the seventh boot device Default UEFI Sets the hard drive boot priority The items displayed are dynamically updated according to the hard drives detected Sets the USB drive boot priority Sets the CD DVD drive boot priority System Setup 15 Exit Provides options to Save Changes and Reset Discard Changes and Reset andRestore Defaults Boot Sequence This feature allows you to change the boot sequence for devices Boot Options
3. 6 2 Before You Begin 7 Turn Off Your Computer and Connected Devices 7 Safety Instructions 7 3 Working Inside Your Computer 9 4 System Setup aaa 11 OVervieW ss Er EE BE BEA tos ela MOE 11 Entering System Setup 11 System Setup Screens 12 System Setup Options 12 BootSequence 0 4 16 Contents 4 5 Flashing the BIOS 6 Contacting Alienware Websites Contents About Your Computer Front View TT n 2 3 7 1 3 6 6 5 CON 4 DI Mom l a 1 power button 2 optical drive eject button 3 optical drive 4 rotatable AlienHead 5 microphone connector 6 headphone connector 7 USB 2 0 connectors 2 K NOTE Your Alienware X51 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 About Your Computer 5 11 Oo 85050 EET 888 Le 80808 oa 39898081 898 288 382808 I Ed o 2290209902000 5 8080805 3 98089805030 Basogosage id eis AE oe BE 0900909 od Ed oe HDMI connector 2 4 USB 3 0 connectors 2 hard drive activity light 6 8 discrete graphic
4. Alienware X51 Owner s Manual ory model DO5S Regulatory Regulatory type D05S001 www dell com support dell com manuals Notes Cautions and Warnings K NOTE A NOTE indicates important information that helps you make better use of your product N CAUTION A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem A WARNING A WARNING indicates a potential for property damage personal injury or death Information in this document is subject to change without notice 2012 Dell Inc All rights reserved Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell and the DELL logo are trademarks of Dell Inc Alienware is a registered trademark of Alienware Corporation Microsoft Windows and the Windows start button logo are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own 2012 01 Rev A00 Contents 1 About Your Computer 5 FrontView 2 2 02000000 5 Back View sd jee on ah a ee Ate ee 6 Specifications
5. Enter a service tag field click Go and proceed to step 4 If you do not have your computer s Service Tag a Click Select Model b Select the type of product in the Select Your Product Family list c Select the product brand in the Select Your Product Line list d Select the product model number in the Select Your Product Model list E NOTE If you have selected a different model and want to start over again click Start Over on the top right of the menu e Click Confirm A list of results appears on the screen Click BIOS Click Download Now to download the latest BIOS file The File Download window appears Click Save to save the file on your desktop The file downloads to your desktop Click Close if the Download Complete window appears The file icon appears on your desktop and is titled the same as the downloaded BIOS update file Double click the file icon on the desktop and follow the instructions on the screen Flashing the BIOS 19 20 Flashing the BIOS Contacting Alienware K NOTE Dell provides several 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 1 2 3 4 5 Go to dell com contactdell Select your region country or language Select the segment for contact Select the appropriate service or
6. ced CPU Configuration Hyper threading If disabled only one thread per enabled core is active Technology XD Bit Capability Enable XD Bit Capability to allow the processor to distinguish between the bits of code that can be executed and the ones that cannot be executed Intel R SpeedStep If enabled the processor clock speed and core tech voltage are adjusted dynamically based on the processor load Intel R C State tech Allows you to enable the number of cores in each processor package Options 1 5 Advanced Integrated Devices USB Controller Allows you to enable or disable the integrated USB controller HD Audio Allows you to enable or disable the integrated audio controller Onboard LAN Allows you to enable or disable the onboard LAN Controller controller Launch PXE OpROM Allows you to enable or disable the boot option for legacy network devices PCH SATA Configuration SATA Mode Displays the SATA mode Advanced Power Management Setup Suspend Mode Sets the energy saving mode of the ACPI function AC Recovery Sets what action the computer takes when power is restored Auto Power On Allows the computer to start up at a certain time Auto Power On Date Allows you to set RTC Wake Up Date Auto Power On Hour Allows you to set RTC Wake Up Hour Auto Power On Minute Allows you to set RTC Wake Up Minute Auto Power On Second Allows you to set RTC Wake Up Second 14 System Setup
7. charge For information on removing and replacing the internal component of your computer contact Alienware See Contacting Alienware on page 21 Working Inside Your Computer 9 10 Working Inside Your Computer System Setup Overview Use the system setup to e get information about the hardware installed in your computer such as the amount of RAM the size of the hard drive and so on e change the system configuration information e set or change a user selectable option such as the user password type of hard drive installed enabling or disabling base devices and so on K NOTE Before you change system setup it is recommended that you note the system setup screen information for future reference Entering System Setup 1 Tum on or restart your computer 2 During POST when the DELL logo is displayed watch for the F2 prompt to appear and then press lt F2 gt immediately K 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 lt F2 gt If you press lt F2 gt 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 Microsoft Windows desktop Then turn off your computer and try again See Turn Off Your Computer and Connected Devices on page 7 System Setup 11 System Setup Screens The system setup screen displays current
8. computer For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance CAUTION To avoid damaging the computer ensure that the work surface is flat and clean CAUTION Only a certified service technician is authorized to remove the computer cover and access any of the components inside the computer See the safety instructions for complete information about safety precautions and protecting against electrostatic discharge Before You Begin 7 A 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 disonnecting the cable When disconnecting cables keep them evenly aligned to avoid bending any connector pins When connecting cables ensure that the connectors and ports are correctly oriented and aligned CAUTION To disconnect a network cable first unplug the cable from your computer and then unplug the cable from the network device NOTE Ensure that you remove the security cable from the security cable slot if applicable Before You Begin Working Inside Your Computer A CAUTION Only a certified service technician is authorized to remove the computer cover and access any of the components inside the computer See the safety instructions for complete information about safety precautions and protecting against electrostatic dis
9. et Service Tag Asset Tag 12 System Setup Displays the BIOS release date Displays the product name Displays the BIOS version number Allows you to enter the service tag of your computer Displays the asset tag of the computer Memory Information Total Memory Memory Available Memory Technology Memory Speed CPU Information Processor ID CPU Speed Cache 12 Cache L3 Displays the total memory of the computer Displays the amount of memory available on the computer Displays the type of memory technology used Displays the memory speed Displays the processor identification code Displays the processor speed Displays the processor L2 cache size Displays the processor L3 cache size Advanced Standard CMOS Features System Date mm dd yy System Time hh mm ss Device Information SATA Portl SATA Port2 SATA Port3 Wait for Fl If Errors Displays current date Displays the current time Displays the SATA drive integrated in the computer Displays the SATA 2 drive integrated in the computer Displays the SATA 3 drive integrated in the computer If enabled the system will HALT during boot to display system errors Advanced Advanced BIOS Features Bootup Num Lock OptionROM Display Screen Select power on state for num lock Allows you to display or hide the RAID Option ROM screen during POST System Setup 13 Advan
10. or changeable configuration information for your computer Information on the screen is divided into three areas the setup item active help screen and key functions 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 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 Press the up arrow and down arrow keys to highlight an option Press lt Enter gt 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 System Setup Options K NOTE Depending on your computer and installed devices the items listed in this section may appear or may not appear exactly as listed BIOS Information Product Information Build Date Product Name BIOS Version S
11. s card network connector and network lights 10 9 a oo kie ESE OO BABA SE E ERE Z Back View optical S PDIF connector USB 2 0 connectors 4 audio connectors 6 1 3 5 7 AC adapter connector security cable slot 9 coaxial S PDIF connector 11 Specifications For more information on specifications of your computer see support dell com manuals About Your Computer 6 Before You Begin Turn Off Your Computer and Connected Devices A 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 Click Start and click Shut Down Microsoft Windows shuts down and then the computer turns off K NOTE If you are using a different operating system see the documentation of your operating system for shut down instructions Disconnect your computer and all attached devices from their electrical outlets Disconnect all telephone cables network cables and attached devices from your computer Press and hold the power button while the computer is unplugged to ground the system board Safety Instructions Use the following safety guidelines to protect your computer from potential damage and ensure your personal safety A WARNING Before you begin read the safety information that shipped with your A A
12. support link based on your need Choose 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 FAQ s and solutions to most common issues see support dell com Alienware Contacting Alienware 21
13. ter When F2 Setup F12 Boot Options appears in the lower right corner of the screen press lt F12 gt 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 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 lt Enter gt Changing Boot Sequence for Future Boots 1 2 Enter system setup See Entering System Setup on page 11 Use the arrow keys to highlight the Boot menu option and press lt Enter gt to access the menu K NOTE Write down your current boot sequence in case you want to restore it Press the up and down arrow keys to move through the list of devices Press plus or minus to change the boot priority of the device System Setup 17 18 System Setup Flashing the BIOS The BIOS may require flashing when an update is available or when replacing the system board To flash the BIOS 1 2 3 Turn on the computer Go to support dell com support downloads Locate the BIOS update file for your computer EG NOTE The Service Tag for your computer is located on a label at the back of your computer If you have your computer s Service Tag a Click Enter a Tag b Enter your computer s Service Tag in the
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