HP ENVY 15-q400 ENVY Notebook Maintenance and Service Guide - Page 73

TouchPad assembly, Remove the TouchPad

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TouchPad assembly Description TouchPad assembly (includes TouchPad bracket, TouchPad button board, TouchPad, and cables) Spare part number 812189-001 Before removing the TouchPad, follow these steps: 1. Turn off 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 the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. 4. Remove the battery (see Battery on page 28), and then remove the following components: a. Service cover (see WLAN module on page 29) b. Hard drive (see Hard drive on page 31) c. Base enclosure (see Base enclosure on page 38) d. System board (see System board on page 51) Remove the TouchPad: 1. Remove the six Phillips PM2.0×2.9 screws (1) that secure the TouchPad bracket to the top cover. 2. Remove the TouchPad bracket (2). 3. Release the grounding tape (1) that connects the TouchPad to the top cover. 4. Remove the three Phillips PM2.5×2.5 broad head screws (2) that secure the TouchPad to the top cover. Component replacement procedures 65

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TouchPad assembly
Description
Spare part number
TouchPad assembly (includes TouchPad bracket, TouchPad button board, TouchPad, and cables)
812189-001
Before removing the TouchPad, follow these steps:
1.
Turn
off
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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the battery (see
Battery
on page
28
), and then remove the following components:
a.
Service cover (see
WLAN module
on page
29
)
b.
Hard drive (see
Hard drive
on page
31
)
c.
Base enclosure (see
Base enclosure
on page
38
)
d.
System board (see
System board
on page
51
)
Remove the TouchPad:
1.
Remove the six Phillips PM2.0×2.9 screws
(1)
that secure the TouchPad bracket to the top cover.
2.
Remove the TouchPad bracket
(2)
.
3.
Release the grounding tape
(1)
that connects the TouchPad to the top cover.
4.
Remove the three Phillips PM2.5×2.5 broad head screws
(2)
that secure the TouchPad to the top cover.
Component replacement procedures
65