Installing The Heatsink Assembly - Dell Vostro 3681 Service Manual

Steps
1. Insert a flat head screw driver along the four marked edges of the fan shroud and gently push towards the fan to disengage
the fan shroud from the heatsink assembly.
2. Lift and remove the fan shroud from the system unit.
3. Disconnect the processor-fan cable from the system board.
4. Loosen the four captive screws in reverse sequential order (4->3->2->1) that secure the processor fan and heat-sink
assembly to the system board.
5. Lift the processor fan and heat-sink assembly off the system board.

Installing the heatsink assembly

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
CAUTION: If either the processor or the heat sink is replaced, use the thermal grease that is provided in the kit
to ensure that thermal conductivity is achieved.
About this task
The following images indicate the location of the processor fan and 95 W heat-sink assembly and provide a visual representation
of the installation procedure.
48 Disassembly and reassembly