Dell Precision T3600 (Mid 2012) - Manual (Page 33)

4. Press down the clasp, lift and remove the speaker.
Installing the Speaker
1. Replace the speaker and fix the clasp.
2. Connect the speaker cable to the system board.
3. Install the cover.
4. Follow the procedures in After Working Inside Your Computer .
Removing the System Board
1. Follow the procedures in Before Working On Your Computer .
2. Remove:
a. PSU
b. cover
c. optical drive
d. coin-cell battery
e. thermal sensor
f. hard drive
g. system fan
h. PSU card
i. PCI card
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