Replacing the System Board | 45Replacing the System BoardWARNING: Before working inside your computer, read the safety informationthat shipped with your computer and follow the steps in "Before Working InsideYour Computer" on page 7. After working inside your computer, follow theinstructions in "After Working Inside Your Computer" on page 9. For moresafety best practices, see the Regulatory Compliance home page atdell.com/regulatory_compliance.NOTE: Your computer’s Service Tag is stored in the system board. You must enterthe Service Tag in the system setup after you replace the system board.Procedure.1 Ease the ports on the system board into the slots on the computer base and placethe system board in the computer base.2 Align the screw hole on the system board to the screw hole on the computer base.3 Replace the screw that secures the system board to the computer base.4 Connect the camera cable to the system board.5 Connect the power-adapter port cable to the system board.6 Connect the hard-drive cable to the hard-disc connector.7 Connect the speaker cable to the system board.8 Slide the USB-board cable to the USB-board connector and press down on thelatch to secure the cable.9 Adhere the tape over the USB-board cable.10 Turn the computer over.11 Connect the power-button cable to the computer base.12 Connect the touchpad-board cable to the computer base.13 Connect the status-light cable to the computer base.