Dell Vostro 2520 (Mid 2012) - Manual (Page 23)

b) optical drive
c) keyboard
d) battery
5. Follow the procedures in After Working Inside Your Computer .
Removing the Microphone
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove:
a) battery
b) keyboard
c) palmrest
3. Disconnect the microphone cable from the system board.
4. Lift up and remove the microphone from its compartment.
Installing the Microphone
1. Insert and align the microphone into its compartment.
2. Connect the microphone cable to the system board.
3. Install:
a) palmrest
b) keyboard
c) battery
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