1. screws (2) 2. data cable3. power cableReplacing the Optical DriveWARNING: Before working inside your computer, read the safety information that shipped withyour computer and follow the steps in Before Working Inside Your Computer. After workinginside your computer, follow the instructions in After Working Inside Your Computer. For moresafety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance.Procedure1. Route the power cable and data cable through the routing guides on the display-panel base.2. Align the screw holes on the interposer with the screw holes on the display-panel base.3. Replace the screws that secure the interposer to the display-panel base.4. Connect the power and data cables to the system board.5. Align the screw holes on the optical-drive bracket with the screw holes on the optical drive.6. Replace the screws that secure the optical-drive bracket to the optical drive.7. Align the tabs on the optical-drive bezel with the slots on the optical-drive assembly and snap it intoplace.8. Slide the optical-drive assembly into the optical-drive bay until it snaps into position.Post-requisites1. Replace the I/O bracket.2. Replace the power-supply diagnostic board.3. Replace the VESA-mount bracket.4. Replace the system-board shield.5. Replace the back cover.6. Replace the stand assembly.39