HP ENVY 14-1000 HP ENVY 14 Notebook PC - Maintenance and Service Guide - Page 75

Fan/heat sink assembly

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9. Remove the system board (2) by sliding it up and to the left at an angle. Reverse this procedure to install the system board. Fan/heat sink assembly Description Fan/heat sink assembly (includes replacement thermal material) Spare part number 608378-001 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 cover and battery (see Battery on page 34). 5. Remove the hard drive (see Mass storage device on page 36). 6. Remove the memory module/wireless module compartment cover (see WLAN module on page 41). 7. Disconnect the battery charger board ribbon cable from the system board (see Battery connector board on page 48). 8. Remove the top cover (see Top cover on page 50). Component replacement procedures 65

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9.
Remove the system board
(2)
by sliding it up and to the left at an angle.
Reverse this procedure to install the system board.
Fan/heat sink assembly
Description
Spare part number
Fan/heat sink assembly (includes replacement thermal material)
608378-001
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 cover and battery (see
Battery
on page
34
).
5.
Remove the hard drive (see
Mass storage device
on page
36
).
6.
Remove the memory module/wireless module compartment cover (see
WLAN module
on page
41
).
7.
Disconnect the battery charger board ribbon cable from the system board (see
Battery connector
board
on page
48
).
8.
Remove the top cover (see
Top cover
on page
50
).
Component replacement procedures
65