HP ENVY TouchSmart 17-j141nr HP ENVY 17 Notebook PC HP ENVY TouchSmart m7 Note - Page 88

Heat sink

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3. Lift the system board (1) , and then remove the system board (2) by sliding it up and to the right at an angle. Reverse this procedure to install the system board. Heat sink Description Spare part number For use only on computer models equipped with the Intel HM87 Express Chipset and an Nvidia 720233-001 N14P-GT (GeForce 750M) graphics subsystem For use only on computer models equipped with the Intel HM87 Express Chipset and an Nvidia 720232-001 N14P-GV2 (GeForce 740M) graphics subsystem For use only on computer models equipped with the Intel HM87 Express Chipset and a graphics 720231-001 subsystem with UMA memory 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 heat sink, 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 39), 5. Remove the display panel (see Display panel on page 50). 6. Remove the service cover (see Service cover on page 40). 78 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

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3.
Lift the system board
(1)
, and then remove the system board
(2)
by sliding it up and to the right
at an angle.
Reverse this procedure to install the system board.
Heat sink
Description
Spare part number
For use only on computer models equipped with the Intel HM87 Express Chipset and an Nvidia
N14P-GT (GeForce 750M) graphics subsystem
720233-001
For use only on computer models equipped with the Intel HM87 Express Chipset and an Nvidia
N14P-GV2 (GeForce 740M) graphics subsystem
720232-001
For use only on computer models equipped with the Intel HM87 Express Chipset and a graphics
subsystem with UMA memory
720231-001
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 heat sink, 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
39
),
5.
Remove the display panel (see
Display panel
on page
50
).
6.
Remove the service cover (see
Service cover
on page
40
).
78
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts