Dell Precision Tower 3620 - Speaker Removal and Installation; Expansion Card Removal and Installation

a. front bezel
b. cover
6. Follow the procedure in After Working Inside Your Computer.
Removing the speaker
1. Follow the procedure in Before Working Inside Your Computer.
2. Remove the cover.
3. To remove the speaker:
a. Disconnect the speaker cable from system board [1].
b. Press the securing tab on the speaker to slide and remove the speaker from the chassis [2, 3].
Installing the speaker
1. Slide the speaker module into the slot to secure it.
2. Connect the speaker cable to the system board.
3. Install the cover.
4. Follow the procedure in After Working Inside Your Computer.
Removing the expansion card
1. Follow the procedure in Before Working Inside Your Computer.
2. Remove the cover.
3. Press the securing tab to release the card retention lock [1, 2].
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