Heat sink
All heat sink spare part kits include replacement thermal material.
Description
Spare part number
Heat sink (does not include fan)
639475-001
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 from the computer by first unplugging the power cord from the AC outlet,
and then unplugging the AC adapter from the computer.
4.
Remove the battery (see
5.
Remove the following components:
a.
Remove the bottom cover (see
).
b.
Remove the heat sink:
1.
Turn the computer upside-down, with the front toward you.
2.
Remove the four Torx T8M2.0x8.0 screws
(1)
that secure the heat sink to the base enclosure.
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Chapter 4 Removal and replacement procedures
