Dell Vostro 3888 Service Manual page 32

Steps
1. Disconnect the processor fan cable from the connector on the system board.
2. Loosen the four captive screws that secure the processor fan and heat-sink assembly to the system board.
3. Lift the processor fan and heat-sink assembly off the system board.
Installing the processor fan and heat-sink assembly
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
NOTE: If either the processor or the heat sink is replaced, use the thermal grease provided in the kit to ensure that
thermal conductivity is achieved.
About this task
The following image indicates the location of the processor fan and heat-sink assembly and provides a visual representation of the
installation procedure.
32 Disassembly and reassembly