Installing The Heat Sink- Discrete - Dell Inspiron 27 7720 All-in-One Owner's Manual

Figure 47. Removing the heat sink- discrete
Steps
1. In reverse sequential order (7>6>5>4>3>2>1), loosen the seven captive screws that secure the heat sink to the system
board and the display-assembly base.
2. Lift the heat sink off the system board and display-assembly base.

Installing the heat sink- discrete

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.
NOTE: If either the system board or the heat sink is replaced, use the thermal pad/paste provided in the service kit. The
thermal pad/paste ensures that the 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.
74 Removing and installing Field Replaceable Units (FRUs)