HP 15-g029wm HP 15 Notebook PC Compaq 15 Notebook PC Maintenance and Service G - Page 58

Fan

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Fan NOTE: The fan spare part kit includes replacement thermal materials. Description Fan Spare part number 753894-001 NOTE: To properly ventilate the computer, allow at least 7.6 cm (3.0 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 31). 5. Remove the keyboard (see Keyboard on page 37). 6. Remove the top cover (see Top cover on page 40). To remove the fan: 1. Position the computer upright and open it. 2. Disconnect the fan cable (1) from the system board. 3. Remove the three Phillips PM2.5×5.0 screws (2) that secure the fan to the computer. 50 Chapter 4 Removal and replacement procedures

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Fan
NOTE:
The fan spare part kit includes replacement thermal materials.
Description
Spare part number
Fan
753894-001
NOTE:
To properly ventilate the computer, allow at least
7.6 cm
(3.0 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
31
).
5.
Remove the keyboard (see
Keyboard
on page
37
).
6.
Remove the top cover (see
Top cover
on page
40
).
To remove the fan:
1.
Position the computer upright and open it.
2.
Disconnect the fan cable
(1)
from the system board.
3.
Remove the three Phillips PM2.5×5.0 screws
(2)
that secure the fan to the computer.
50
Chapter 4
Removal and replacement procedures