Vostro 3405 Service Manual

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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.

Installing the heat sink

Steps

Place the heat sink on the system board.
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

Reconnect the battery.
Install the base cover.
Install the SD card.
Follow the procedure in After working inside your computer.