HP ProBook 6550b HP ProBook 6455b, 6555b, 6450b,and 6550b Notebook PCs - Maint - Page 158

Serial connector and cable, Display assembly see

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Serial connector and cable Description Serial connector and cable for use only on computers equipped with a 15.6-in display assembly Spare part number 613313-001 Before removing the serial connector and 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 130) l. ExpressCard assembly (see ExpressCard assembly on page 135) m. Speaker assembly (see Speaker assembly on page 139) Remove the serial connector and cable: 1. Disconnect the serial connector cable (1) from the system board. 2. Remove the two Hex HM5.0×10.0 screw locks (2) that secure the serial connector to the base enclosure. 150 Chapter 4 Removal and replacement procedures

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Serial connector and cable
Description
Spare part number
Serial connector and cable for use only on computers equipped with a 15.6-in display assembly
613313-001
Before removing the serial connector and 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
130
)
l.
ExpressCard assembly (see
ExpressCard assembly
on page
135
)
m.
Speaker assembly (see
Speaker assembly
on page
139
)
Remove the serial connector and cable:
1.
Disconnect the serial connector cable
(1)
from the system board.
2.
Remove the two Hex HM5.0×10.0 screw locks
(2)
that secure the serial connector to the base
enclosure.
150
Chapter 4
Removal and replacement procedures