Dell P21T Removing the WLAN Card, Installing the WLAN Card, Removing the Heatsink

Removing the WLAN Card
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the:
a. base cover
b. battery
3. Perform the following steps:
a. Remove the screw that secures the metal bracket to the WLAN card [1].
b. Remove the metal bracket to access the WLAN cables [2].
c. Disconnect the WLAN cables from their connectors on the WLAN card [3].
d. Remove the WLAN card from its connector on the system board [4].
Installing the WLAN Card
1. Insert the WLAN card to its connector on the system board.
2. Connect the WLAN cables to their connectors on the WLAN card.
3. Insert the metal bracket to secure the WLAN cables.
4. Tighten the screw to secure the WLAN card to the system board.
5. Install the:
a. battery
b. base cover
6. Follow the procedures in After Working Inside Your Computer.
Removing the Heatsink
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the:
a. base cover
b. battery
3. To release the heatsink from the system board:
a. Remove the screws that secure the heatsink from the metal bracket [1].
b. Remove the metal bracket from the system board [2].
c. Remove the screw that secures the heatsink to the system board [3].
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