HP Dv71270us Service Guide - Page 90

Top cover

Page 90 highlights

Top cover Description For use only with computer models equipped with a fingerprint reader For use only with computer models not equipped with a fingerprint reader Spare part number 480466-001 480465-001 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 51). 5. Remove the following components: a. Hard drive (see Hard drive on page 56) b. Optical drive (see Optical drive on page 54) c. Keyboard (see Keyboard on page 68) d. Switch cover (see Switch cover on page 66) e. Speaker assembly (see Speaker assembly on page 72) f. Display assembly (see Display assembly on page 73) Remove the top cover: 1. Turn the computer upside down, with the front toward you. 2. Remove the four Phillips PM2.5×13.0 screws that secure the top cover to the computer. 82 Chapter 4 Removal and replacement procedures

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Top cover
Description
Spare part number
For use only with computer models equipped with a fingerprint reader
480466-001
For use only with computer models not equipped with a fingerprint reader
480465-001
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
51
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
56
)
b.
Optical drive (see
Optical drive
on page
54
)
c.
Keyboard (see
Keyboard
on page
68
)
d.
Switch cover (see
Switch cover
on page
66
)
e.
Speaker assembly (see
Speaker assembly
on page
72
)
f.
Display assembly (see
Display assembly
on page
73
)
Remove the top cover:
1.
Turn the computer upside down, with the front toward you.
2.
Remove the four Phillips PM2.5×13.0 screws that secure the top cover to the computer.
82
Chapter 4
Removal and replacement procedures