Dell OptiPlex 7020 (Mid 2014) - Manual (Page 17)

4. Follow the procedures in After Working Inside Your Computer.
Removing the Speaker
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the cover.
3. Disconnect and release the speaker cable from system board. Press down the speaker-securing tab
and slide the speaker upwards to remove.
Installing the Speaker
1. Slide the speaker downwards into its slot to secure it.
2. Thread the speaker cable into the chassis clip and connect the speaker cable to the system board.
3. Install the cover.
4. Follow the procedures in After Working Inside Your Computer.
Removing the Power Supply
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the cover.
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