Installing The Heat Sink - Dell Latitude 3445 Chromebook Owner's Manual

Figure 21. Removing the heat sink
Steps
1. In reverse sequential order (4 > 3 > 2 > 1) loosen the four captive screws that secure the heat sink to the system board.
2. Lift the heat sink off the system board.

Installing the heat sink

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