Dell Vostro 20–3055 Owner's Manual

c. back coverd. system-board shield3. Perform the following steps as shown in the illustration:a. Remove the screw that secures the WLAN card and slide to remove the WLAN holder from thesystem board [1,2].b. Remove the two connectors that secure the WLAN card to the system board [3].c. Remove the WLAN card from its socket [4].Installing the WLAN Card1. Insert the WLAN card into its slot.2. Connect the two connectors (black cable to the black triangle and white cable to the white triangle).3. Place the WLAN holder and tightened the screw that secures the WLAN card to the system board.4. Install:a. standb. optical-disk drivec. back coverd. system-board shield5. Follow the procedures in After Working Inside Your Computer.Removing the Speakers1. Follow the procedures in Before Working Inside Your Computer.2. Remove:a. standb. optical-disk drivec. back coverd. system-board shield3. Perform the following steps as shown in the illustration:a. Disconnect the speaker cable [1].b. Unroute the speaker cable [2].c. Lift the speaker from the computer chassis [3].18