Dell Vostro 2421 (Early 2013) - Manual (Page 25)

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. Disconnect fan cable 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:
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