Replacing the wireless cardWARNING: Before working inside your computer, read the safety information that shipped with your computer andfollow the steps in Before working inside your computer. After working inside your computer, follow the instructionsin After working inside your computer. For more safety best practices, see the Regulatory Compliance home page atwww.dell.com/regulatory_compliance.ProcedureCAUTION: To avoid damaging the wireless card, do not place any cables under it.1 Connect the antenna cables to the wireless card.The following table provides the antenna-cable color scheme for the wireless card that is supported by your computer.Table 2. Antenna-cable color schemeConnectors on the wireless card Antenna-cable colorMain (white triangle) WhiteAuxiliary (black triangle) Black2 Place the wireless-card bracket on the wireless card.3 Align the notch on the wireless card with the tab on the wireless-card slot, and then slide the wireless card at an angle intothe wireless-card slot.4 Replace the screw (M2x2.5) that secures the wireless card to the system board.Post-requisites1 Follow the procedure from step 10 to step 11 in "Replacing the power-supply unit".2 Replace the left-side cover.75