Maintenance and Service Guide

4.
Remove the fan (3).
Reverse this procedure to install the fan.
Heat sink
NOTE: The heat sink spare part kit includes replacement thermal material.
Description Spare part number
For use only on computer models equipped with discrete graphics subsystem 611499-001
For use only on computer models equipped with UMA graphics subsystem 611500-001
Before removing the heat sink, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see
Battery on page 36).
5. Remove the following components:
a.
Hard drive (see
Hard drive on page 38)
b. Top cover (see
Top cover on page 49)
c. Keyboard (see
Keyboard on page 51)
66 Chapter 4 Removal and replacement procedures