Installing the speaker – Dell OptiPlex 990 (Early 2011) User Manual
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7. Press the speaker securing tab, and slide the speaker towards the right of
the computer to release it.
8. Remove the speaker from the chassis.
Installing The Speaker
1. Place the speaker on the appropriate location of the chassis rear.
2. Press the speaker-securing tab and slide the speaker towards the left of
the computer to secure it.
3. Thread the internal speaker cable into the fan shelter clip.
4. Connect the speaker cable to the system board.
5. Install the
6. Install the
7. Install the
.
After Working Inside Your Computer
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