HP ProBook 6550b HP ProBook 6455b, 6555b, 6450b,and 6550b Notebook PCs - Maint - Page 160

Modem module cable, ExpressCard assembly see

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Modem module cable NOTE: The modem module cable is included in the Cable Kit, spare part numbers 613352-001. Before removing the modem module 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 battery (see Battery on page 79). 5. Remove the following components: a. Bluetooth module (see Bluetooth module on page 81) b. Mass storage device (see Mass storage device on page 83) c. Optical drive (see Optical drive on page 94) d. Keyboard (see Keyboard on page 96) e. Switch cover (see Switch cover on page 103) f. Fan (see Fan on page 111) g. Heat sink (see Heat sink on page 113) h. Palm rest (see Palm rest on page 107) i. TouchPad (see TouchPad on page 109) j. Display assembly (see Display assembly on page 118) k. Top cover (see "Top cover" on page 4-49) l. ExpressCard assembly (see ExpressCard assembly on page 135) m. Speaker assembly (see Speaker assembly on page 139) n. Card reader/USB board (see Card reader/USB board on page 143) o. System board (see System board on page 145) Remove the modem module cable: 1. Release the RJ-11 connector (1) from the clip built into the base enclosure. 2. Release the modem module cable from the clips (2) and routing channel built into the base enclosure. 152 Chapter 4 Removal and replacement procedures

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Modem module cable
NOTE:
The modem module cable is included in the Cable Kit, spare part numbers 613352-001.
Before removing the modem module 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 battery (see
Battery
on page
79
).
5.
Remove the following components:
a.
Bluetooth module (see
Bluetooth module
on page
81
)
b.
Mass storage device (see
Mass storage device
on page
83
)
c.
Optical drive (see
Optical drive
on page
94
)
d.
Keyboard (see
Keyboard
on page
96
)
e.
Switch cover (see
Switch cover
on page
103
)
f.
Fan (see
Fan
on page
111
)
g.
Heat sink (see
Heat sink
on page
113
)
h.
Palm rest (see
Palm rest
on page
107
)
i.
TouchPad (see
TouchPad
on page
109
)
j.
Display assembly (see
Display assembly
on page
118
)
k.
Top cover (see “Top cover” on page 4-49)
l.
ExpressCard assembly (see
ExpressCard assembly
on page
135
)
m.
Speaker assembly (see
Speaker assembly
on page
139
)
n.
Card reader/USB board (see
Card reader/USB board
on page
143
)
o.
System board (see
System board
on page
145
)
Remove the modem module cable:
1.
Release the RJ-11 connector
(1)
from the clip built into the base enclosure.
2.
Release the modem module cable from the clips
(2)
and routing channel built into the base
enclosure.
152
Chapter 4
Removal and replacement procedures