Installing The Heat Sink - Dell Inspiron 14 5435 Owner's Manual

Steps
1. Loosen the four captive screws that secure the heat sink to the system board.
NOTE: Loosen the four captive screws in the reverse sequential order mentioned on the heat sink [4 > 3 > 2 > 1].
2. Lift and remove the heat sink from the system board.

Installing the heat sink

CAUTION: The information in this section is intended for authorized service technicians only.
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
NOTE: If either the system board or the heat sink is replaced, use the thermal grease provided in the kit to ensure that
thermal conductivity is achieved.
The following image indicates the location of the heat sink and provides a visual representation of the installation procedure.
54 Removing and installing Field Replaceable Units (FRUs)