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Dell OptiPlex 7450 All-In-One - Installing the OSD Buttons Board; Speaker Cover; Removing the Speaker Cover

Dell OptiPlex 7450 All-In-One
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Installing the OSD buttons board
1. Connect the cable to the OSD buttons board.
2. Affix the tape on the OSD buttons board.
3. Insert the OSD buttons board into the slot.
4. Align the metal plate on the OSD buttons board.
5. Tighten the screw to secure the OSD buttons board.
6. Install the:
a. optical drive
b. back cover
c. stand
7. Follow the procedure in After working inside your computer.
Speaker cover
Removing the speaker cover
1. Follow the procedure in Before working inside your computer.
2. Remove the:
a. stand
b. cable cover
c. back cover
3. To remove the speaker cover:
a. Remove the screws that secure the speaker cover to the computer [1].
b. Slide the speaker cover to release it from the computer [2].
22
Disassembly and reassembly

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