HP Pavilion dv4-4000 HP Pavilion dv4 Entertainment PC - Maintenance and Servic - Page 68

Top cover, Reverse this procedure to install the keyboard.

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Reverse this procedure to install the keyboard. Top cover NOTE: The top cover spare part kit includes the TouchPad and TouchPad cable. Description In espresso black finish In Pacific blue finish In ruby red finish Spare part number 650487-001 650490-001 650489-001 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 41), and then remove the following components: a. Memory module/wireless module compartment cover (see WLAN module on page 44) b. Optical drive (see Optical drive on page 52) c. Hard drive (see Hard drive on page 54) d. Keyboard (see Keyboard on page 57) When replacing the top cover, be sure that the following components are removed from the defective top cover and installed on the replacement top cover: ● Power button board and cable (see Power button board on page 64) ● TouchPad LED board and cable (see TouchPad LED board on page 66) ● TouchPad button board and cable (see TouchPad button board on page 68) Remove the top cover: 1. Close the computer. 2. Turn the computer upside down, with the front toward you. 60 Chapter 4 Removal and replacement procedures

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Reverse this procedure to install the keyboard.
Top cover
NOTE:
The top cover spare part kit includes the TouchPad and TouchPad cable.
Description
Spare part number
In espresso black finish
650487-001
In Pacific blue finish
650490-001
In ruby red finish
650489-001
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
41
), and then remove the following components:
a.
Memory module/wireless module compartment cover (see
WLAN module
on page
44
)
b.
Optical drive (see
Optical drive
on page
52
)
c.
Hard drive (see
Hard drive
on page
54
)
d.
Keyboard (see
Keyboard
on page
57
)
When replacing the top cover, be sure that the following components are removed from the defective
top cover and installed on the replacement top cover:
●
Power button board and cable (see
Power button board
on page
64
)
●
TouchPad LED board and cable (see
TouchPad LED board
on page
66
)
●
TouchPad button board and cable (see
TouchPad button board
on page
68
)
Remove the top cover:
1.
Close the computer.
2.
Turn the computer upside down, with the front toward you.
60
Chapter 4
Removal and replacement procedures