Dell OptiPlex 9010 All In One (Mid 2012) - Manual (Page 32)

Removing the Speakers
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the:
a) VESA stand
b) back cover
c) VESA mount bracket
d) system-board shield
3. Disconnect the right and left speaker cables from the connector on the system board. Unthread the cables from the
notches.
4. Remove the screws that secure the speaker to the chassis. Lift the speakers from the computer.
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