Installing The Heat Sink - Dell Inspiron 3505 Service Manual

Steps
1. In reverse sequential order (4>3>2>1) loosen the four captive screws that secure the heat sink to the system board.
NOTE: The number of screws varies depending on the configuration ordered.
2. Lift the heat sink from the system board.

Installing the heat sink

Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
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 images indicate the location of the heat sink and provides a visual representation of the installation procedure.
Steps
1. Place the heat sink on the system board.
2. In sequential order (1>2>3>4) tighten the four captive screws that secure the heat sink to the system board.
NOTE: The number of screws varies depending on the configuration ordered.
Next steps
1. Install the base cover.
2. Follow the procedure in
36 Removing and installing components
After working inside your computer.