Dell Vostro 330 (Early 2011) - Manual (Page 47)

Speaker
15
Removing The Speakers
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the cover .
3. Remove the front stand .
4. Remove the system board shield .
5. Disconnect the speaker cable from the system board.
6. Remove the screws that secure the speakers to the system board.
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