7. Remove the heat sink.
8. Install the heat sink.
9. Reinstall the removed parts. Then, reconnect the power adapter and all disconnected cables to the
computer.
10. Turn over the computer so that the bottom cover is facing down.
System board
Prerequisite
Before you start, read Chapter 1 "Important safety information" on page 1 and print the following
instructions.
Avoid contact with hot components inside the computer. During operation, some components become hot
enough to burn the skin. Before you open the computer cover, turn off the computer, disconnect power, and
wait approximately 10 minutes for the components to cool.
Replacement procedure
1. Remove the bottom cover. See "Bottom cover" on page 69.
.
Chapter 6
Hardware removal and installation
79