HP 721953-081 User Manual
Fan/heat sink assembly
All fan/heat sink assembly spare part kits include replacement thermal material.
Description
Spare part number
Fan/heat sink assembly for use in models with UMA graphics
721938-001
Fan/heat sink assembly for use in models with discrete graphics
721937-001
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.
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.
then unplugging the AC adapter from the computer.
4.
Remove the battery (see
5.
Remove the following components:
a.
).
b.
)
c.
)
d.
WLAN/Bluetooth module (see
e.
WWAN module (see
f.
Keyboard (see
)
g.
Top cover (see
h.
System board (see
)
Remove the fan/heat sink assembly:
1.
Position the system board upside-down.
2.
Models are available with either UMA or discrete graphics. The heat sink on discrete models includes 2
additional screws. Refer to the following steps that match your model:
additional screws. Refer to the following steps that match your model:
Discrete models:
a.
To remove the discrete fan/heat sink assembly, in the order indicated on the heat sink, loosen the
6 captive Phillips screws (1)-(6) that secure the heat sink to the system board.
6 captive Phillips screws (1)-(6) that secure the heat sink to the system board.
b.
Disconnect the fan cable from the system board (7).
Component replacement procedures
77