Replacing the Mini-Card(s)1. Follow the instructions in Before You Begin.2. Remove the new Mini-Card(s) from its packaging.3. Insert the Mini-Card connector at a 45-degree angle into the system-board connector.4. Press 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.5. Connect the appropriate antenna cables to the Mini-Card you are installing. The following table provides the antenna cable color scheme for the Mini-Cards supported by your computer.6. Replace the battery (see Replacing the Battery).7. Replace the palm-rest assembly (see Replacing the Palm-Rest Assembly).8. Replace the keyboard (see Removing the Keyboard).9. Replace the label door (see Replacing the Label Door).10. Install the drivers and utilities for your computer, as required.CAUTION: When the Mini-Card is not in the computer, store it in protective antistatic packaging. For more information, see "Protecting AgainstElectrostatic Discharge" in the safety information that shipped with your computer.CAUTION: Use firm and even pressure to slide the 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 card and on the systemboard, and realign the card.CAUTION: To avoid damage to the Mini-Card, never place cables under the card.Connectors on the Mini-Card Antenna Cable Color SchemeWLAN (2 antenna cables)Main WLAN (white triangle)Auxiliary WLAN (black triangle)whiteblackWWAN (1 antenna cable)Auxiliary WWAN (black triangle) black with gray stripeCAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so mayresult in damage to the computer.