HP ProBook 6550b HP ProBook 6455b, 6555b, 6450b,and 6550b Notebook PCs - Maint - Page 154

Remove the following components, Mass storage device see

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Description Spare part number For use only on computer models equipped with an Intel HM57 graphics subsystem with UMA memory and WWAN capability in all countries and regions except Russia and the People's Republic of China 613294-001 For use only on computer models equipped with an Intel QM57 graphics subsystem with UMA memory and WWAN capability in all countries and regions except Russia and the People's Republic of China 613295-001 For use only on computer models equipped with an Intel HM57 graphics subsystem with UMA memory in Russia and the People's Republic of China 613299-001 For use only on computer models equipped with an Intel HM57 graphics subsystem with UMA memory and WWAN capability in Russia and the People's Republic of China 613300-001 For use only on computer models equipped with an Intel QM57 graphics subsystem with UMA memory and WWAN capability in Russia and the People's Republic of China For use only on computer models equipped with an Intel HM57 graphics subsystem with UMA memory in the People's Republic of China For use only on computer models equipped with an Intel HM57 graphics subsystem with UMA memory and WWAN capability in the People's Republic of China 613301-001 613304-001 6133305-001 For use only on computer models equipped with an Intel QM57 graphics subsystem with UMA memory and WWAN capability in the People's Republic of China 613306-001 Before removing the system board, 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) 146 Chapter 4 Removal and replacement procedures

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Description
Spare part number
For use only on computer models equipped with an Intel HM57 graphics subsystem with UMA
memory and WWAN capability in all countries and regions except Russia and the People's Republic
of China
613294-001
For use only on computer models equipped with an Intel QM57 graphics subsystem with UMA
memory and WWAN capability in all countries and regions except Russia and the People's Republic
of China
613295-001
For use only on computer models equipped with an Intel HM57 graphics subsystem with UMA
memory in Russia and the People's Republic of China
613299-001
For use only on computer models equipped with an Intel HM57 graphics subsystem with UMA
memory and WWAN capability in Russia and the People's Republic of China
613300-001
For use only on computer models equipped with an Intel QM57 graphics subsystem with UMA
memory and WWAN capability in Russia and the People's Republic of China
613301-001
For use only on computer models equipped with an Intel HM57 graphics subsystem with UMA
memory in the People's Republic of China
613304-001
For use only on computer models equipped with an Intel HM57 graphics subsystem with UMA
memory and WWAN capability in the People's Republic of China
6133305-001
For use only on computer models equipped with an Intel QM57 graphics subsystem with UMA
memory and WWAN capability in the People's Republic of China
613306-001
Before removing the system board, 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
)
146
Chapter 4
Removal and replacement procedures