Heat sink
NOTE:
The heat sink assembly spare part kit includes replacement thermal material.
Description
Spare part number
Heat sink assembly
790073-001
Before removing the heat sink, follow these steps:
1.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the bottom cover (see
Bottom cover on page 32
).
5.
Disconnect the battery cable.
Remove the heat sink:
1.
Following the sequence stamped into the heat sink, loosen the four captive Philllips screws
(1)
that
secure the heat sink to the system board.
54
Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
