HP Pavilion 15-e100 Pavilion 15 Notebook PC Maintenance and Service Guide - Page 95

PCH heat sink

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PCH heat sink NOTE: The post controller hub (PCH) heat sink spare part kit includes replacement thermal material. Replacement thermal material is also available in the Thermal Material Kit, spare part number 719864-001. Description PCH heat sink Spare part number 719863-001 Before removing the PCH 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 battery (see Battery on page 46), and then remove the following components: a. Optical drive (see Optical drive on page 47) b. Hard drive (see Hard drive on page 49) c. WLAN module (see WLAN module on page 51) d. Keyboard (see Keyboard on page 56) e. Top cover (see Top cover on page 60) f. System board (see System board on page 74) Remove the PCH heat sink: 1. Following the 1 through 2 sequence stamped into the PCH heat sink, loosen the two captive Phillips screws (1) that secure the PCH heat sink to the system board. Component replacement procedures 87

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PCH heat sink
NOTE:
The post controller hub (PCH) heat sink spare part kit includes replacement thermal material.
Replacement thermal material is also available in the Thermal Material Kit, spare part number
719864-001.
Description
Spare part number
PCH heat sink
719863-001
Before removing the PCH 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 battery (see
Battery
on page
46
), and then remove the following components:
a.
Optical drive (see
Optical drive
on page
47
)
b.
Hard drive (see
Hard drive
on page
49
)
c.
WLAN module (see
WLAN module
on page
51
)
d.
Keyboard (see
Keyboard
on page
56
)
e.
Top cover (see
Top cover
on page
60
)
f.
System board (see
System board
on page
74
)
Remove the PCH heat sink:
1.
Following the 1 through 2 sequence stamped into the PCH heat sink, loosen the two captive
Phillips screws
(1)
that secure the PCH heat sink to the system board.
Component replacement procedures
87