HP Pavilion dv6-3100 HP Pavilion dv6 Entertainment PC - Maintenance and Servic - Page 90

Fan/heat sink assembly, Turn the system board upside down with the front toward you.

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Fan/heat sink assembly NOTE: The fan/heat sink assembly spare part kit includes replacement thermal material. Description For use on computer models equipped with graphics subsystems with discrete memory For use on computer models equipped with graphics subsystems with UMA memory Spare part number 606575-001 606574-001 NOTE: To properly ventilate the computer, allow at least 7.6 cm (3 in) of clearance on the left side of the computer. The computer uses an electric fan for ventilation. The fan is controlled by a temperature sensor and is designed to turn on automatically when high temperature conditions exist. These conditions are affected by high external temperatures, system power consumption, power management/battery conservation configurations, battery fast charging, and software requirements. Exhaust air is displaced through the ventilation grill located on the left side of the computer. Before removing the fan/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 Battery on page 43), and then remove the following components: a. Hard drive (see Hard drive on page 44) b. Optical drive (see Optical drive on page 51) c. Keyboard (see Keyboard on page 53) d. Top cover (see Top cover on page 56) e. Display assembly (see Display assembly on page 65) f. System board (see System board on page 76) Remove the fan/heat sink assembly: 1. Turn the system board upside down with the front toward you. 2. Disconnect the fan cable (1) from the system board. 3. Loosen the captive screws (2) that secure the fan/heat sink assembly to the system board. NOTE: The number of captive screws securing the fan/heat sink assembly to the system board vary by computer model. Computer models equipped with a graphics subsystem with discrete memory have six captive screws securing the fan/heat sink assembly to the system board, as shown in the first illustration below. Computer models equipped with a graphics subsystem with UMA memory have three captive screws securing the fan/heat sink assembly to the system board, as shown in the second illustration below. 80 Chapter 4 Removal and replacement procedures

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Fan/heat sink assembly
NOTE:
The fan/heat sink assembly spare part kit includes replacement thermal material.
Description
Spare part number
For use on computer models equipped with graphics subsystems with discrete memory
606575-001
For use on computer models equipped with graphics subsystems with UMA memory
606574-001
NOTE:
To properly ventilate the computer, allow at least 7.6 cm (3 in) of clearance on the left side of
the computer. The computer uses an electric fan for ventilation. The fan is controlled by a temperature
sensor and is designed to turn on automatically when high temperature conditions exist. These
conditions are affected by high external temperatures, system power consumption, power
management/battery conservation configurations, battery fast charging, and software requirements.
Exhaust air is displaced through the ventilation grill located on the left side of the computer.
Before removing the fan/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
Battery
on page
43
), and then remove the following components:
a.
Hard drive (see
Hard drive
on page
44
)
b.
Optical drive (see
Optical drive
on page
51
)
c.
Keyboard (see
Keyboard
on page
53
)
d.
Top cover (see
Top cover
on page
56
)
e.
Display assembly (see
Display assembly
on page
65
)
f.
System board (see
System board
on page
76
)
Remove the fan/heat sink assembly:
1.
Turn the system board upside down with the front toward you.
2.
Disconnect the fan cable
(1)
from the system board.
3.
Loosen the captive screws
(2)
that secure the fan/heat sink assembly to the system board.
NOTE:
The number of captive screws securing the fan/heat sink assembly to the system board
vary by computer model. Computer models equipped with a graphics subsystem with discrete
memory have six captive screws securing the fan/heat sink assembly to the system board, as
shown in the first illustration below. Computer models equipped with a graphics subsystem with
UMA memory have three captive screws securing the fan/heat sink assembly to the system board,
as shown in the second illustration below.
80
Chapter 4
Removal and replacement procedures