Installing The Heat Sink - Dell Inspiron 7405 2n1 Service Manual

Steps
1. In reverse sequential order (as indicated on the heat sink), loosen the seven captive screws that secure the heat sink to the system
board.
2. Lift the heat sink off the system board.

Installing the heat sink

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
CAUTION: Incorrect alignment of the heat sink can damage the system board and processor.
NOTE: If either the system board or the heat sink is replaced, use the thermal pad/paste provided in the kit to ensure
that thermal conductivity is achieved.
About this task
The following image indicates the location of the heat sink and provides a visual representation of the installation procedure.
24 Removing and installing components