Dell OptiPlex 7440 All-In-One W11C, Owner'S Manual

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Installing the speaker module
1. Insert the speaker module into the slot on the chassis.
2. Tighten the screws to secure the speaker to the chassis.
3. Secure the speaker cables through the retention clips.
4. Connect the speaker cable to the connector on the system board.
5. Install the:
a) system board shield
b) speaker cover
c) back cover
d) cable cover
e) stand
6. Follow the procedure in After working inside your computer .
Converter board
Removing the converter board
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
f) power supply unit
g) VESA mount bracket
3. To remove the converter board:
a) Disconnect the convertor board cable from the converter board [1].
b) Disconnect the display backlight cable from the converter board [2].
c) Remove the screws that secure the converter board to the computer [3].
d) Lift the converter board away from the computer [4].
Disassembly and reassembly 35