HP Pavilion dv4-2100 HP Pavilion dv4 Entertainment PC - Maintenance and Servic - Page 79

Touchpad button board and bracket

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Touchpad button board and bracket Description Touchpad button board (includes cable) Touchpad bracket Removal and replacement procedures Spare part number 486832-001 494961-001 Before removing the touchpad button board and bracket: 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 disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the following components: a. Hard Drive (see "Hard Drive" on page 4-8) b. Mini Card compartment cover (see "RTC battery" on page 4-12) c. Optical drive (see "Optical drive" on page 4-19) d. Keyboard (see "Keyboard" on page 4-20) e. Keyboard cover (see "Keyboard cover" on page 4-23) f. Speaker assembly (see "Speaker assembly" on page 4-26) g. Display assembly (see "Display assembly" on page 4-27) h. Top Cover (see "Top cover" on page 4-34) Maintenance and Service Guide 4-37

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Removal and replacement procedures
Maintenance and Service Guide
4–37
Touchpad button board and bracket
Before removing the touchpad button board and bracket:
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 disconnecting the power cord from the AC outlet and then
disconnecting the AC adapter from the computer.
4. Remove the battery (see
“Battery” on page 4-7
).
5. Remove the following components:
a.
Hard Drive (see
“Hard Drive” on page 4-8
)
b.
Mini Card compartment cover (see
“RTC battery” on page 4-12)
c.
Optical drive (see
“Optical drive” on page 4-19
)
d.
Keyboard (see
“Keyboard” on page 4-20
)
e.
Keyboard cover (see
“Keyboard cover” on page 4-23
)
f.
Speaker assembly (see
“Speaker assembly” on page 4-26
)
g.
Display assembly (see
“Display assembly” on page 4-27
)
h.
Top Cover (see
“Top cover” on page 4-34
)
Description
Spare part number
Touchpad button board (includes cable)
486832-001
Touchpad bracket
494961-001