Dell Vostro 2521 (Early 2013) - Manual (Page 22)

3. Follow the procedures in After Working Inside Your Computer .
Removing the Heatsink
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove:
a) battery
b) access panel
c) memory module
d) hard-drive assembly
e) optical-drive assembly
f) keyboard
g) palmrest
h) wireless mini-card
i) system board
3. Flip the system board and place it on a flat surface.
4. Remove the screws that secure the heatsink to the system board. Lift the heatsink from the system board.
Installing the Heatsink
1. Align the heatsink in its place on the system board.
2. Tighten the screws to secure the heatsink to the system board.
3. Install:
a) system board
b) wireless mini-card
c) palmrest
d) keyboard
e) optical-drive assembly
f) hard-drive assembly
g) memory module
h) access panel
i) battery
4. Follow the procedures in After Working Inside Your Computer .
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