Dell Inspiron 15 3521 Owner's Manual - Page 39
Replacing the Wireless Mini-Card, Procedure
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Replacing the Wireless Mini-Card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure CAUTION: To avoid damage to the wireless mini-card, ensure that no cables are placed under the wireless mini-card. 1 Align the notch on the wireless mini-card with the tab on the system-board connector. 2 Insert the wireless mini-card connector at a 45-degree angle into the connector on the system board. 3 Press the other end of the wireless mini-card down into the slot on the system board and replace the screw that secures the wireless mini-card to the system board. 4 Connect the antenna cables to the wireless mini-card. The following table provides the antenna cable color schemes for the wireless mini-card supported by your computer. Connectors on the wireless mini-card Antenna cable color schemes WLAN + Bluetooth (2 cables) Main WLAN + Bluetooth (white triangle) white Auxiliary WLAN + Bluetooth (black triangle) black Replacing the Wireless Mini-Card | 39