Dell OptiPlex 7440, Руководство пользователя

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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 .
Removing the speaker module
1. Follow the procedure in Before Working Inside Your Computer .
2. Remove the:
a.
stand
b. back cover
c. cable cover
d. speaker cover
e. system-board shield
3. Perform the following steps as shown in the illustration:
a. Disconnect the speaker cable from the connector on the system board [1].
b. Unthread the speaker cables from the retention clips [2].
4. Perform the following steps as shown in the illustration:
a. Remove the screws that secure the speaker module to the chassis [1].
b. Lift the speaker module and remove it from the chassis [2].
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