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CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. Removing the Right Side-Panel(s) Follow the instructions in “Before You Begin” on page 1. 6. Remove the left side-panel (see “Removing the Left Side-Panel“ on page 2. 11). Open the PCI shroud (see “Opening the PCI Shroud“ on page 3. 18). Remove the drive-bay shroud (see “Removing the Drive-Bay Shroud” on 4. page 19). Remove the power-supply cover (see “Removing the Power Supply“ on 5. page 57). Remove the hard-drive fan assembly (see “Removing the Hard-Drive Fan 6. Assembly” on page 42). Remove the three screws that secure the right side-panel(s) to the chassis.7. 1 1 screws (3) Place the chassis in an upright position.8. Slide and pull the right top-panel away from the chassis.9. 1 1 right top-panel Disconnect the lighting-board cable from the connector on the master I/O 10. board. Remove the two screws that secure the lighting board to the chassis.11. Lift the lighting board up and away from the chassis. 12. 12 1 lighting board 2 screws (2) Slide and pull the right bottom-panel away from the chassis.13. 1 1 right bottom-panel Replacing the Right Side-Panel(s) Follow the instructions in “Before You Begin” on page 1. 6. Align the right bottom-panel to the bottom of the computer and slide it into 2. position. Slide the lighting board into position and replace the two screws that secure 3. the lighting board to the chassis. Connect the lighting-board cable to the connector on the master I/O board. 4. Slide the right top-panel into position.5. Place the chassis on its side.6. Replace the three screws that secure the right side-panel(s) to the chassis.7. Replace the power-supply cover (see “Replacing the Power Supply“ on 8. page 59). Replace the hard-drive fan assembly (see “Replacing the Hard-Drive Fan 9. Assembly” on page 43). Replace the drive-bay shroud (see “Replacing the Drive-Bay Shroud” on 10. page 19). Close the PCI shroud (see “Closing the PCI Shroud“ on page 11. 18). Replace the left side-panel (see “Replacing the Left Side-Panel“ on page 12. 11). Connect your computer and devices to electrical outlets and then turn 13. them on. CHAPTER 17: ACTIVE VENTING ASSEMBLY CHAPTER 17: ACTIVE-VENTING ASSEMBLY Active-Venting Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at WARNING: Do not operate your computer with any cover(s) (including computer covers, bezels, filler brackets, front-panel inserts, etc.) removed. WARNING: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the side panel(s). CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. Removing the Active-Venting Assembly NOTE: Active-venting assembly is available only in Alienware Aurora ALX. Follow the instructions in “Before You Begin” on page 1. 6. Remove the left side-panel (see “Removing the Left Side-Panel“ on page 2. 11). Open the PCI shroud (see “Opening the PCI Shroud“ on page 3. 18). Remove the drive-bay shroud (see “Removing the Drive-Bay Shroud” on 4. page 19). Remove the screw that secures the right top-panel to the chassis.5. 1 1 screw Remove the top lighting-board (see “Removing the Top Lighting-Board” on 6. page 76). Remove the ten screws that secure the active-venting assembly to the 7. chassis. 1 1 screws (10) Place the chassis in an upright position.8. Remove the right top-panel.9. 1 1 right top-panel Remove the two screws that secure the top panel to the chassis.10. Lift the top panel away from the chassis.11. Remove the three screws that secure the active-venting assembly to the 12. chassis. Disconnect the cables that connect the active-venting assembly to the 13. connectors on the master I/O board. Lift the active-venting assembly away from the chassis.14. 2341 1 screws (3) 2 active-venting assembly 3 top panel 4 top-panel screws (2) Replacing the Active-Venting Assembly Follow the instructions in “Before You Begin” on page 1. 6. Place the active-venting assembly on the top of the chassis.2. Connect the active-venting assembly cables to the connectors on the 3. master I/O board. Replace the three screws that secure the active-venting assembly to the 4. chassis. Align the top panel with the slots in the chassis and replace the two screws 5. that secure the top panel to the chassis. Replace the right top-panel.6. Lay the chassis on its side.7. Replace the ten screws that secure the active-venting assembly to the top 8. of the chassis. Replace the top lighting-board (see “Replacing the Top Lighting-Board” on 9. page 76). Replace the screw that secures the right top-panel to the chassis.10. Replac...