HP ProBook 4446s HP ProBook 4445s Notebook PC HP ProBook 4446s Notebook PC - M - Page 79

Power cable, Heat sink see

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Power cable The power cable is included in the Cable Kit, spare part number 683640-001. Before removing the power cable, 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. Remove the battery (see Battery on page 33) b. Bottom door (see Bottom door on page 34). c. Hard drive (see Hard drive on page 38) d. Optical drive (see Optical drive on page 35) e. WLAN module (see WLAN/Bluetooth combo card on page 42) f. Heat sink (see Heat sink on page 64) g. Keyboard (see Keyboard on page 44) h. Fan (see Fan on page 47) i. Top cover (see Top cover on page 48) j. System board (see System board on page 61) Remove the power cable: 1. Position the computer upright with the front toward you. 2. Disconnect the cable from the system board (1). 3. Lift the power cable assembly from the computer (2). Reverse this procedure to install the power cable. Component replacement procedures 71

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Power cable
The power cable is included in the Cable Kit, spare part number 683640-001.
Before removing the power cable, 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.
Remove the battery (see
Battery
on page
33
)
b.
Bottom door (see
Bottom door
on page
34
).
c.
Hard drive (see
Hard drive
on page
38
)
d.
Optical drive (see
Optical drive
on page
35
)
e.
WLAN module (see
WLAN/Bluetooth combo card
on page
42
)
f.
Heat sink (see
Heat sink
on page
64
)
g.
Keyboard (see
Keyboard
on page
44
)
h.
Fan (see
Fan
on page
47
)
i.
Top cover (see
Top cover
on page
48
)
j.
System board (see
System board
on page
61
)
Remove the power cable:
1.
Position the computer upright with the front toward you.
2.
Disconnect the cable from the system board
(1)
.
3.
Lift the power cable assembly from the computer
(2)
.
Reverse this procedure to install the power cable.
Component replacement procedures
71