Dell OptiPlex Tower Plus 7020 Owners Manual - Page 53
Table 28. Antenna-cable color scheme, Installing the wireless card
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Figure 25. Installing the wireless card Steps 1. Connect the wireless-antenna cables to the wireless card. Table 28. Antenna-cable color scheme Connectors on the wireless card Antenna-cable color Main White Auxiliary Black Silkscreen marking MAIN AUX △ (white triangle) ▲ (black triangle) 2. Align and place the wireless-card bracket over the antenna cables to secure them. 3. Align the notch on the wireless card with the tab on the wireless-card slot (M.2 WLAN) on the system board. 4. Slide the wireless card at an angle into the wireless-card slot on the system board. 5. Replace the screw (M2x3.5) to secure the wireless-card to the system board. Next steps 1. Install the side cover. 2. Follow the procedure in After working inside your computer. Removing and installing Customer Replaceable Units (CRUs) 53