HP ENVY TouchSmart 15-j078ca HP ENVY 15 Notebook PC and HP ENVY TouchSmart 15 - Page 101

Power button board

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Power button board Description Power button board (includes cable) Spare part number 720553-001 Before removing the power 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 on page 43), and then remove the following components: a. Solid-state drive (see Solid-state drive on page 44) b. Hard drive (see Hard drive on page 47) c. Base enclosure (see Base enclosure on page 55) d. System board (see System board on page 66) Remove the power button board: 1. Detach the power button board cable (1) from the top cover. (The power button board cable is attached to the top cover with double-sided tape.) 2. Remove the Phillips PM2.0×2.9 screw (2) that secures the power button board to the top cover. 3. Release the clip (3) that secures the power button board to the top cover. Component replacement procedures 93

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Power button board
Description
Spare part number
Power button board (includes cable)
720553-001
Before removing the power 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
on page
43
), and then remove the following components:
a.
Solid-state drive (see
Solid-state drive
on page
44
)
b.
Hard drive (see
Hard drive
on page
47
)
c.
Base enclosure (see
Base enclosure
on page
55
)
d.
System board (see
System board
on page
66
)
Remove the power button board:
1.
Detach the power button board cable
(1)
from the top cover. (The power button board cable is
attached to the top cover with double-sided tape.)
2.
Remove the Phillips PM2.0×2.9 screw
(2)
that secures the power button board to the top cover.
3.
Release the clip
(3)
that secures the power button board to the top cover.
Component replacement procedures
93