HP ENVY TouchSmart Sleekbook 4-1115dx HP ENVY 4 Sleekbook HP ENVY 4 Ultrabook - Page 62

TouchPad module, that secures the TouchPad cable to the system board.

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TouchPad module Description TouchPad button board (includes cable) in black finish TouchPad button board (includes cable) in silver finish Spare part number 687997-001 691640-001 Before removing the TouchPad button board, 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 display panel (see Display panel on page 39). 5. Remove the base enclosure (see Base enclosure on page 42). Remove the TouchPad button board and cable: 1. Turn the top cover upside down, with the back edge toward you. 2. Disconnect the cable (1) that secures the TouchPad cable to the system board. 3. Remove the 4 Phillips PM 2.5×3.0 black screws (2) that secure the TouchPad button board to the top cover. 4. Remove the 2 Phillips PM 2.5x3.0 silver screws, and then remove the TouchPad bracket (3). 54 Chapter 4 Removal and replacement procedures

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TouchPad module
Description
Spare part number
TouchPad button board (includes cable) in black finish
687997-001
TouchPad button board (includes cable) in silver finish
691640-001
Before removing the TouchPad button board, 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 display panel (see
Display panel
on page
39
).
5.
Remove the base enclosure (see
Base enclosure
on page
42
).
Remove the TouchPad button board and cable:
1.
Turn the top cover upside down, with the back edge toward you.
2.
Disconnect the cable
(1)
that secures the TouchPad cable to the system board.
3.
Remove the 4 Phillips PM 2.5×3.0 black screws
(2)
that secure the TouchPad button board to
the top cover.
4.
Remove the 2 Phillips PM 2.5x3.0 silver screws, and then remove the TouchPad bracket
(3)
.
54
Chapter 4
Removal and replacement procedures