Fan/Heat Sink Assembly - HP Compaq CQ58 Maintenance And Service Manual

Fan/heat sink assembly

NOTE: The fan/heat sink assembly spare part kit includes replacement thermal materials.
Description
Fan/heat sink assembly for use only with computer models equipped with an AMD processor
Fan/heat sink assembly for use only with computer models equipped with an Intel processor and a
graphics subsystem with UMA video memory
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
●
WLAN module (see
●
Hard drive (see
●
Keyboard (see
●
Top cover (see
●
Speakers (see
●
USB board (see
●
Power connector cable (see
●
Display assembly (see
●
System board (see
To remove the fan/heat sink assembly:
1. Disconnect the fan cable (1) from the system board.
2. Loosen the captive screws on the heat sink (2) that secure the fan/heat sink assembly to the system
board.
NOTE:
computer model.
90 Chapter 4 Removal and replacement procedures
Battery on page
WLAN module on page
Hard drive on page
Keyboard on page
Top cover on page
Speakers on page
USB board on page
Power connector cable on page
Display assembly on page
System board on page
The number of screws used to secure the fan/heat sink assembly to the system board varies by
39), and then remove the following components:
48)
53)
58)
61)
69)
71)
75)
84)
Spare part number
688281-001
685086-001
73)
ENWW