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Heat sink assembly
All heat sink assembly spare part kits include replacement thermal material.
Description
Heat sink
Before removing the heat sink assembly, 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.
Place the computer in "Battery Safe mode"
3.
Disconnect all external devices connected to the computer.
4.
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.
5.
Remove the following components:
a.
Service doors
b.
Hard drive
c.
Keyboard
d.
Top cover
e.
Card reader board
f.
Battery
g.
System board
Remove the heat sink assembly:
1.
Position the system board upside-down.
2.
In the order indicated on the heat sink, loosen the 4 captive Phillips screws (1) that secure the heat sink
to the system board.
64
Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
(Service doors on page
(Hard drive on page
38)
(Keyboard on page
41)
(Top cover on page
45)
(Card reader board on page
(Battery on page
60)
(System board on page
(Battery Safe mode on page
32).
59)
62)
Spare part number
L20773-001
31).
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