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Service Manual. Computer Model: Alienware X51 R3. Regulatory Model: D05S documentation of your operating system for shut-down instructions. alienware-x51-r3 | Alienware X51 Service Manual | post-requisites. Alienware X51 Service Manual · Overview · Entering System Setup · System Setup Options · Boot sequence · Changing boot sequence for the current boot · Boot Options. alienware-x51-r3 | Alienware X51 Service Manual | procedure. Flashing the BIOS · Getting help and contacting Alienware. Hide Table of Contents alienware-x51-r3 | Alienware X51 Service Manual | removing-thegraphics-card.Service Manual. Computer Model: Alienware X51 R3. Regulatory Model: D05S documentation of your operating system for shut-down instructions. For more safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. WARNING: Only a certified service