HP ProBook 4425s HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 94

Top cover, Battery, on Switch cover, Keyboard, Speakers, Optical drive, Palm rest

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Top cover Description Top cover For use with 33.8-cm (13.3-in) displays For use with 35.6-cm (14.0-in) displays Spare part number 599569-001 599570-001 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 44). 5. Remove the following components: a. Switch cover (see Switch cover on page 46) b. Keyboard (see Keyboard on page 48) c. Speakers (see Speakers on page 55) d. Optical drive (see Optical drive on page 52) e. Palm rest (see Palm rest on page 60) Remove the top cover: 1. Position the computer right-side up with the front toward you. 86 Chapter 4 Removal and replacement procedures

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Top cover
Description
Spare part number
Top cover
For use with
33.8-cm
(13.3-in) displays
599569-001
For use with
35.6-cm
(14.0-in) displays
599570-001
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
44
).
5.
Remove the following components:
a.
Switch cover (see
Switch cover
on page
46
)
b.
Keyboard (see
Keyboard
on page
48
)
c.
Speakers (see
Speakers
on page
55
)
d.
Optical drive (see
Optical drive
on page
52
)
e.
Palm rest (see
Palm rest
on page
60
)
Remove the top cover:
1.
Position the computer right-side up with the front toward you.
86
Chapter 4
Removal and replacement procedures