HP 15-bn000 Maintenance and Service Guide - Page 83

Optical drive connector cable, Before removing the system board, follow these steps

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Before removing the system 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 battery (see Battery on page 48). 5. Remove the optical drive (see Optical drive on page 49), if installed. 6. Remove the bottom cover (see Bottom cover on page 52). 7. Remove the WLAN module (see WLAN module on page 54). 8. Remove the memory module (see Memory module on page 56). 9. Remove the solid-state drive (see Solid-state drive (SSD) on page 65). To remove the system board: 1. Position the computer upright, and then disconnect the following cables from the system board: (1): Keyboard cable (2): Optical drive connector cable (3): Hard drive cable (4): USB board cable (5): TouchPad button board cable (6): Speaker cable (7): Fan cable (8): Power button board cable (9): Display cable (10): Power connector cable Component replacement procedures 75

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Before removing the system 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 battery (see
Battery
on page
48
).
5.
Remove the optical drive (see
Optical drive
on page
49
), if installed.
6.
Remove the bottom cover (see
Bottom cover
on page
52
).
7.
Remove the WLAN module (see
WLAN module
on page
54
).
8.
Remove the memory module (see
Memory module
on page
56
).
9.
Remove the solid-state drive (see
Solid-state drive (SSD)
on page
65
).
To remove the system board:
1.
Position the computer upright, and then disconnect the following cables from the system board:
(1)
: Keyboard cable
(2)
: Optical drive connector cable
(3)
: Hard drive cable
(4)
: USB board cable
(5)
: TouchPad button board cable
(6)
: Speaker cable
(7)
: Fan cable
(8)
: Power button board cable
(9)
: Display cable
(10)
: Power connector cable
Component replacement procedures
75