HP ProBook 6550b HP ProBook 6455b, 6555b, 6450b,and 6550b Notebook PCs - Maint - Page 138

Top cover, Optical drive see

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Top cover Description Top cover for use only on computer models equipped with a 15.6-in display assembly and 2-button TouchPad Top cover for use only on computer models equipped with a 15.6-in display assembly and 4-button TouchPad Top cover for use only on computer models equipped with a 14.0-in display assembly and 2-button TouchPad Top cover for use only on computer models equipped with a 14.0-in display assembly and 4-button TouchPad Spare part number 613335-001 613336-001 613333-001 613334-001 Before removing the top cover, 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: ● Bluetooth module (see Bluetooth module on page 81) ● Mass storage device (see Mass storage device on page 83) ● Optical drive (see Optical drive on page 94) ● Keyboard (see Keyboard on page 96) ● Switch cover (see Switch cover on page 103) ● Palm rest (see Palm rest on page 107) ● TouchPad (see TouchPad on page 109) ● Display assembly (see Display assembly on page 118) Remove the top cover. 1. Turn the computer upside down, with the front toward you. 130 Chapter 4 Removal and replacement procedures

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Top cover
Description
Spare part number
Top cover for use only on computer models equipped with a 15.6-in display assembly and 2-button
TouchPad
613335-001
Top cover for use only on computer models equipped with a 15.6-in display assembly and 4-button
TouchPad
613336-001
Top cover for use only on computer models equipped with a 14.0-in display assembly and 2-button
TouchPad
613333-001
Top cover for use only on computer models equipped with a 14.0-in display assembly and 4-button
TouchPad
613334-001
Before removing the top cover, 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:
●
Bluetooth module (see
Bluetooth module
on page
81
)
●
Mass storage device (see
Mass storage device
on page
83
)
●
Optical drive (see
Optical drive
on page
94
)
●
Keyboard (see
Keyboard
on page
96
)
●
Switch cover (see
Switch cover
on page
103
)
●
Palm rest (see
Palm rest
on page
107
)
●
TouchPad (see
TouchPad
on page
109
)
●
Display assembly (see
Display assembly
on page
118
)
Remove the top cover.
1.
Turn the computer upside down, with the front toward you.
130
Chapter 4
Removal and replacement procedures