Instruction/ maintenance manual of the product X51 Dell
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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.
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.
Contents 3 Contents 1 About Y our Computer . . . . . . . . . . . . . . . . . 5 Front View . . . . . . . . . . . . . . . . . . . . . . . . . 5 Back View . . . . . . . . . . . . . . . . . . . . . . . . . 6 Specifications . . . . . . . . . . . . . . . . .
4 Contents 5 Flashing the BIOS . . . . . . . . . . . . . . . . . 19 6 Contacting Alienware . . . . . . . . . . . . . . 21 W ebsites . . . . . . . . . .
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 .
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.
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.
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.
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.
10 W orking Inside Y our Computer book.book Page 10 Tues day, January 17, 2012 1 0:32 PM.
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.
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 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.
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.
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.
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.
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.
18 Sy stem Setup book.book Page 18 Tues day, January 17, 2012 1 0:32 PM.
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 .
20 Flashing the BIOS book.book Page 20 Tues day, January 17, 2012 1 0:32 PM.
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.
An important point after buying a device Dell X51 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Dell X51 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Dell X51 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Dell X51 you will learn all the available features of the product, as well as information on its operation. The information that you get Dell X51 will certainly help you make a decision on the purchase.
If you already are a holder of Dell X51, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Dell X51.
However, one of the most important roles played by the user manual is to help in solving problems with Dell X51. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Dell X51 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
