Fan/Heat Sink Assembly - HP ENVY 15 Maintenance And Service Manual

Fan/heat sink assembly

NOTE: The fan/heat sink assembly spare part kit includes replacement thermal material. Replacement
thermal material is also available in the Thermal Material Kit, spare part number 668848-001.
Description
For use on computer models equipped with USB 3.0 capability
For use on computer models equipped with USB 2.0 capability
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
a. Service cover (see
b. Top cover (see
c. Top speakers (see
d. System board (see
Remove the fan/heat sink assembly:
1. Turn the system board upside down, with the front toward you.
2. Disconnect the 2 fan cables from the system board.
3. Following the 1 through 6 sequence stamped into the fan/heat sink assembly, loosen the six
captive screws (2) that secure the fan/heat sink assembly to the system board.
NOTE:
system board components, it may be necessary to move the fan/heat sink assembly from side to
side to detach it.
4. Remove the fan/heat sink assembly (3).
76 Chapter 4 Removal and replacement procedures
Downloaded from LpManual.com Manuals
Battery on page
WLAN module on page
Top cover on page
Top speakers on page
System board on page
Due to the adhesive quality of the thermal material located between the heat sink and
35), and then remove the following components:
42)
47)
69)
72)
Spare part number
690006-001
668827-001
ENWW