Dell OptiPlex 7440, Owner'S Manual

Page: 18 / 59

Installing the heat sink
1. Align and place the heat sink in the slot.
2. Tighten the screws to secure the heat sink to the computer.
3. Install the:
a.
system-board shield
b. back cover
c. stand
4. Follow the procedure in After Working Inside Your Computer .
Removing the WLAN card
1. Follow the procedure in Before Working Inside Your Computer .
2. Remove the:
a.
stand
b. back cover
c. system-board shield
3. Perform the following steps as shown in the illustration:
a. Disconnect the antenna cables from the connectors on the WLAN card [1].
b. Remove the screw that secures the WLAN card to the system board [2].
c. Hold the WLAN card and pull it from the connector on the system board [3].
18