HP Pavilion TouchSmart 15-n100 Maintenance and Service Guide - Page 99

Heat sink assembly, and then remove the following components

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Heat sink assembly Description Spare part number Heat sink assembly for use only on computer models equipped with a graphics subsystem with discrete memory (includes replacement thermal material) 732070-001 Heat sink assembly for use only on computer models equipped with a graphics subsystem with UMA memory (includes replacement thermal material) 732069-001 Heat sink for use only on computer models equipped with a graphics subsystem with AMD UMA memory 19 W 734448-001 Heat sink for use only on computer models equipped with a graphics subsystem with AMD UMA memory 25 W 734449-001 Heat sink for use only on computer models equipped with a graphics subsystem with AMD discrete 734450-001 memory 19 W Heat sink for use only on computer models equipped with a graphics subsystem with AMD discrete 734451-001 memory 25 W 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. Turn off 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 the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. 4. Remove the battery (see Battery on page 45), and then remove the following components: a. Optical drive (see Optical drive on page 50). b. Service door (see Service door on page 47). c. WLAN module (see WLAN module on page 49). d. Memory module (see Memory module on page 47). e. Keyboard (see Keyboard on page 57). f. Top cover (see Top cover on page 63). g. Hard drive (see Hard drive on page 67). h. System board (see System board on page 77). Component replacement procedures 89

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Heat sink assembly
Description
Spare part number
Heat sink assembly for use only on computer models equipped with a graphics subsystem with
discrete memory (includes replacement thermal material)
732070-001
Heat sink assembly for use only on computer models equipped with a graphics subsystem with
UMA memory (includes replacement thermal material)
732069-001
Heat sink for use only on computer models equipped with a graphics subsystem with AMD UMA
memory 19 W
734448-001
Heat sink for use only on computer models equipped with a graphics subsystem with AMD UMA
memory 25 W
734449-001
Heat sink for use only on computer models equipped with a graphics subsystem with AMD discrete
memory 19 W
734450-001
Heat sink for use only on computer models equipped with a graphics subsystem with AMD discrete
memory 25 W
734451-001
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.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the battery (see
Battery
on page
45
), and then remove the following components:
a.
Optical drive (see
Optical drive
on page
50
).
b.
Service door (see
Service door
on page
47
).
c.
WLAN module (see
WLAN module
on page
49
).
d.
Memory module (see
Memory module
on page
47
).
e.
Keyboard (see
Keyboard
on page
57
).
f.
Top cover (see
Top cover
on page
63
).
g.
Hard drive (see
Hard drive
on page
67
).
h.
System board (see
System board
on page
77
).
Component replacement procedures
89