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Dell OptiPlex 7450 All-In-One - Installing the WLAN Card; Heat Sink; Removing the Heat Sink

Dell OptiPlex 7450 All-In-One
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b. back cover
c. system board shield
3. To remove the WLAN card:
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].
Installing the WLAN card
1. Align the WLAN card to the connector on the system board.
2. Tighten the screw to secure the WLAN card to the system board.
3. Connect the antenna cables to the connectors on the WLAN card.
4. Install the:
a. system board shield
b. back cover
c. stand
5. Follow the procedure in After working inside your computer.
Heat sink
Removing the heat sink
1. Follow the procedure in Before working inside your computer.
2. Remove the:
a. stand
b. back cover
c. system board shield
3. To remove the heat sink:
a. Remove the screws that secure the heat sink to the chassis [1, 2].
Disassembly and reassembly
29

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