HP Pavilion dv3 HP Pavilion dv3 Entertainment PC - Maintenance and Service Gui - Page 75

Fan/heat sink assembly, WLAN module see

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Fan/heat sink assembly Description Fan/heat sink assembly (includes replacement thermal material) Spare part number 601336-001 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 38), and then remove the following components: a. WLAN module (see WLAN module on page 42) b. Hard drive (see Hard drive on page 46 c. Optical drive (see Optical drive on page 50) d. Top cover (see Top cover on page 51) e. System board (see System board on page 62) Remove the fan/heat sink assembly: 1. Position the system board with the rear toward you. Component replacement procedures 65

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Fan/heat sink assembly
Description
Spare part number
Fan/heat sink assembly (includes replacement thermal material)
601336-001
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
38
), and then remove the following components:
a.
WLAN module (see
WLAN module
on page
42
)
b.
Hard drive (see
Hard drive
on page
46
c.
Optical drive (see
Optical drive
on page
50
)
d.
Top cover (see
Top cover
on page
51
)
e.
System board (see
System board
on page
62
)
Remove the fan/heat sink assembly:
1.
Position the system board with the rear toward you.
Component replacement procedures
65