HP 540 HP 540 Notebook PC and HP 541 Notebook PC - Maintenance and Service Gui - Page 68

Top cover, Optical drive see

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Top cover NOTE: The top cover includes the TouchPad board and cable, and the TouchPad button board and cable. Description Top cover Spare part number 500002-001 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 37). 5. Remove the following components: a. Hard drive (see Hard drive on page 38) b. Optical drive (see Optical drive on page 45) c. Keyboard (see Switch cover and keyboard on page 47) d. Switch cover (see Switch cover and keyboard on page 47) e. Speaker (see Speaker on page 51) f. Display lid switch module (see Display lid switch module on page 52) g. Display assembly (see Display assembly on page 53) Remove the top cover: 1. Turn the computer upside down, with the front toward you. 58 Chapter 4 Removal and replacement procedures

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Top cover
NOTE:
The top cover includes the TouchPad board and cable, and the TouchPad button board and
cable.
Description
Spare part number
Top cover
500002-001
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
37
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
38
)
b.
Optical drive (see
Optical drive
on page
45
)
c.
Keyboard (see
Switch cover and keyboard
on page
47
)
d.
Switch cover (see
Switch cover and keyboard
on page
47
)
e.
Speaker (see
Speaker
on page
51
)
f.
Display lid switch module (see
Display lid switch module
on page
52
)
g.
Display assembly (see
Display assembly
on page
53
)
Remove the top cover:
1.
Turn the computer upside down, with the front toward you.
58
Chapter 4
Removal and replacement procedures