HP ENVY m4 User Manual

TouchPad button board
Description Spare part number
TouchPad button board (includes cable) 700012-001
Before removing the TouchPad button board, 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), and then remove the following components:
a. Hard drive (see
Hard drive)
b. Optical drive (see
Optical drive)
c. WLAN module (see
WLAN module)
d. Keyboard (see
Keyboard)
e. Top cover (see
Top cover)
Remove the TouchPad button board:
1. Turn the top cover upside down, with the front toward you.
2. Release the ZIF connector to which the fingerprint reader board cable is attached, and then
disconnect the fingerprint reader board cable (1) from the TouchPad button board.
3. Release the ZIF connector to which the TouchPad board cable is attached, and then disconnect
the TouchPad board cable (2) from the TouchPad button board.
4. Detach the TouchPad button board cable (3) from the top cover. (The TouchPad button board
cable is attached to the top cover with double-sided tape.)
5. Remove the three Phillips PM2.5×3.0 screws (4) that secure the TouchPad button board to the
top cover.
Component replacement procedures 51
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HP ENVY m4 Specifications

General

Brand	HP
Model	ENVY m4
Category	Desktop
Language	English