162 Adding and Replacing PartsReplacing a WPAN CardNOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance,check the connectors on the card and on the system board, and realign the card.NOTICE: To avoid damage to the WPAN card, never place cables under the card.1 Insert the WPAN card connector at a 45-degree angle into the systemboard connector labeled "WPAN".2 Press the other end of the WPAN card down into the securing tabs untilthe card clicks into place.3 Connect the blue antenna cable to the WPAN card.4 Secure unused antenna cables in the protective mylar sleeve.5 Replace the cover and tighten the captive screws.Internal Card With Bluetooth® WirelessTechnologyCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in the Product Information Guide.NOTICE: To avoid electrostatic discharge, ground yourself by using a wristgrounding strap or by periodically touching an unpainted metal surface (such as aconnector on the back of the computer).NOTICE: To help prevent damage to the system board, you must remove the batteryfrom the battery bay before you begin working inside the computer.If you ordered a card with Bluetooth wireless technology with your computer,it is already installed.Removing the Card1 Follow the procedures in "Before You Begin" on page 135.2 Remove the hinge cover (see "Hinge Cover" on page 142).3 Disconnect the cable on the card.4 Grasp the connector end of the card and slide it out from under thesecuring tabs.
