Dell Latitude 3550 - Installing the heat-sink for discrete graphics

Figure 31. Removing the heat-sink for discrete graphics
Steps
1. Loosen the seven captive screws that secure the heat-sink to the system board in the reverse sequential order mentioned
on the thermal heat-sink [7 > 6 > 5 > 4 > 3 > 2 > 1].
2. Lift and remove the heat-sink from the system board.
Installing the heat-sink for discrete graphics
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 that is 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.
62
Removing and installing Field Replaceable Units (FRUs)