Fan
Description
Spare part number
Fan
683651-001
Before removing the fan, 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 following components:
a.
Battery (see
Battery on page 38
)
b.
Bottom door (see
Bottom door on page 39
).
c.
Hard drive (see
Hard drive on page 43
)
d.
Optical drive (see
Optical drive on page 40
)
e.
Memory (see
Memory modules on page 45
)
f.
WLAN module (see
WLAN/Bluetooth combo card on page 47
)
g.
Keyboard (see
Keyboard on page 49
)
h.
Metal heat shield (see
Metal heat shield on page 51
)
Remove the fan:
1.
Position the computer upside-down with the fan on the right.
2.
Disconnect the fan cable
(1)
from the system board that secure the fan to the top cover.
3.
Remove the two Phillips screws
(2)
that secure the fan to the top cover.
52
Chapter 4 Removal and replacement procedures
Содержание ProBook 4445s
Страница 1: ...HP ProBook 4445s Notebook PC HP ProBook 4446s Notebook PC Maintenance and Service Guide ...
Страница 4: ...iv Safety warning notice ...
Страница 30: ...Computer major components 22 Chapter 3 Illustrated parts catalog ...
Страница 136: ......