HP 15-g300 Maintenance and Service Guide - Page 65

Position the computer upright, and then disconnect the following cables from the system board

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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 31). 5. Remove the following components: ● Keyboard (see Keyboard on page 35) ● Top cover (see Top cover on page 43) ● WLAN module (see WLAN module on page 51) ● Hard drive (see Hard drive on page 49) NOTE: When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ● Memory module (see Memory module on page 65) ● Heat sink assembly (see Heat sink assembly on page 61) To remove the system board: 1. Position the computer upright, and then disconnect the following cables from the system board: (1): Power connector cable (2): Speaker cable (3): Fan cable (4): Display cable 2. Remove the two Phillips PM2.5×5.0 screws (5) that secure the system board to the computer. Component replacement procedures 57

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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
31
).
5.
Remove the following components:
●
Keyboard (see
Keyboard
on page
35
)
●
Top cover (see
Top cover
on page
43
)
●
WLAN module (see
WLAN module
on page
51
)
●
Hard drive (see
Hard drive
on page
49
)
NOTE:
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
Memory module (see
Memory module
on page
65
)
●
Heat sink assembly (see
Heat sink assembly
on page
61
)
To remove the system board:
1.
Position the computer upright, and then disconnect the following cables from the system board:
(1)
: Power connector cable
(2)
: Speaker cable
(3)
: Fan cable
(4)
: Display cable
2.
Remove the two Phillips PM2.5×5.0 screws
(5)
that secure the system board to the computer.
Component replacement procedures
57