HP 4510s Service Guide - Page 106

Power button board

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Power button board Description Power button board for use in computers with 15-in displays (includes cable) Power button board for use in computers with 14-in displays (includes cable) Spare part number 574513-001 574514-001 Before removing the power button 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 63). 5. Remove the following components: a. Switch cover and keyboard (see Switch cover and keyboard on page 64) b. Optical drive (see Optical drive on page 69) c. Speakers (see Speakers on page 73) d. Palm rest (see Palm rest on page 75) e. Hard drive (see Hard drive on page 78) f. Top cover (see Top cover on page 90) g. Display assembly (see Display assembly on computers with 15-in displays on page 84 or Display assembly on computers with 14-in displays on page 97) Remove the power button board: 1. Position the top cover upside-down with the rear toward you. 94 Chapter 4 Removal and replacement procedures

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Power button board
Description
Spare part number
Power button board for use in computers with 15-in displays (includes cable)
574513-001
Power button board for use in computers with 14-in displays (includes cable)
574514-001
Before removing the power button 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
63
).
5.
Remove the following components:
a.
Switch cover and keyboard (see
Switch cover and keyboard
on page
64
)
b.
Optical drive (see
Optical drive
on page
69
)
c.
Speakers (see
Speakers
on page
73
)
d.
Palm rest (see
Palm rest
on page
75
)
e.
Hard drive (see
Hard drive
on page
78
)
f.
Top cover (see
Top cover
on page
90
)
g.
Display assembly (see
Display assembly on computers with 15-in displays
on page
84
or
Display assembly on computers with 14-in displays
on page
97
)
Remove the power button board:
1.
Position the top cover upside-down with the rear toward you.
94
Chapter 4
Removal and replacement procedures