Heat Sink Assembly - HP ProBook 455 G3 Maintenance And Service Manual

Table of Contents

Advertisement

Heat sink assembly

All heat sink assembly spare part kits include replacement thermal material.
Description
Heat sink for use in models with discrete graphics
Heat sink for use in models with UMA graphics
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.
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.
Service doors (see
b.
Optical drive
c.
Hard drive (see
d.
WLAN module (see
e.
Keyboard (see
f.
Top cover (see
g.
System board (see
Remove the heat sink assembly:
1.
Position the system board upside-down.
2.
Models are available with either UMA or discrete graphics. The heat sink on discrete models includes 2
additional screws. Refer to the following steps that match your model:
Discrete models:
a.
To remove the discrete heat sink assembly, in the order indicated on the heat sink, loosen the 6
captive Phillips screws (1)–(6) that secure the heat sink to the system board.
72
Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Battery on page
32).
Service doors on page
(Optical drive on page
35)
Hard drive on page
37)
WLAN/Bluetooth combo card on page
Keyboard on page
43)
Top cover on page
48)
System board on page
33).
41)
66)
Spare part number
828409-001
830933-001

Advertisement

Table of Contents
loading

Table of Contents