Replacing the wireless cardNOTE: Before working inside your computer, read the safety information that shipped with your computer and followthe steps in Before working inside your computer. After working inside your computer, follow the instructions in Afterworking inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.ProcedureCAUTION: To avoid damage to the wireless card, do not place any cables under it.1. Connect the antenna cables to the wireless card.2. Align the notch on the wireless card with the tab on the wireless-card slot and slide the wireless card at an angle into thewireless-card slot.The following table provides the antenna-cable color scheme for the wireless card supported by your computer.Table 3. Antenna-cable color schemeConnectors on the wireless card Antenna-cable colorMain (white triangle) WhiteAuxiliary (black triangle) Black3. Align the screw hole on the wireless-card bracket with the screw hole on the wireless card and the system board.4. Replace the screw (M2x3) that secures the wireless-card bracket and wireless card to the system board.Post-requisitesReplace the base cover.29Replacing the wireless card 53