Dell Vostro 2520 (Mid 2012) - Manual (Page 30)

d) WLAN card
e) hard drive
f) palmrest
g) memory module
h) optical drive
i) keyboard
j) SD memory card
k) battery
4. Follow the procedures in After Working Inside Your Computer .
Removing the Display Assembly
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove:
a) battery
b) hinge cover
c) keyboard
d) palmrest
3. Disconnect the low-voltage differential signaling (LVDS) cable from the system board.
4. Disconnect the WLAN antennae and release it from the routing channel on the chassis.
5. Remove the screws that secure the left and right hinges.
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