CHAPTER 4: Upgrading Your Computer

3Remove the processor fan by following the instructions in “Replacing the processor fan” on page 37.

4Loosen the four screws that secure the heat sink to the processor, then remove the heat sink. The screws are captive screws, so they will not fall out of the heat sink.

Heat sink screws

Heat sink screws

5Disconnect the power and data cables from the system board, noting their locations and orientation. (You will reconnect the cables after you install the new board.) You can also mark the cables with tape labels to simplify reconnecting cables later.

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