Dell 7420, 5420 owner manual Replacing the Mini-Card

20 Replacing the 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 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

NOTE: Dell does not guarantee compatibility or provide support for Mini-Cards from sources other than Dell.

Your computer has one half Mini-Card slot which supports a Wireless Local Area Network (WLAN) + Bluetooth combo card, Wi-Fi, and Worldwide Interoperability for Microwave Access (WiMax).

Procedure

1Remove the new Mini-Card from its packaging.

2Align the notch on the Mini-Card with the tab on the system-board connector.

CAUTION: Use firm and even pressure to slide the Mini-Card into place. If you use excessive force, you may damage the connector.

CAUTION: The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors on the Mini-Card and on the system board, and realign the Mini-Card.

CAUTION: To avoid damage to the Mini-Card, never place cables under the Mini-Card.

3Insert the Mini-Card connector at a 45-degree angle into the system-board connector.

4Press the other end of the Mini-Card down into the slot on the system board and replace the screw that secures the Mini-Card to the system-board connector.

5Connect the antenna cables to the connectors on the Mini-Card.

The following table provides the antenna cable color scheme for the Mini-Card supported by your computer.

Connectors on the Mini-Card	Antenna Cable Color Scheme
WLAN + Bluetooth (2 cables)
Main WLAN + Bluetooth (white triangle)	white
Auxiliary WLAN + Bluetooth (black triangle)	black

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