HP Pavilion 14 Maintenance And Service Manual page 93

3.
Disconnect all external devices from the computer.
4.
Remove the battery (see
a.
Optical drive (see
b.
Service door (see
c.
WLAN module (see
d. Memory module (see
e. Keyboard (see
f. Top cover (see
g. Hard drive (see
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:
Hard drive connector cable
●
Power connector cable (see
●
RTC battery (see RTC battery on page
●
Fan (see Fan on page
●
Heat sink assembly (see
●
Remove the system board:
1. Disconnect the following cables from the system board:
Display panel cable (1)
●
Speaker cable (2)
●
Battery on page 49), and then remove the following components:
Optical drive on page
Service door on page
WLAN module on page
Memory module on page
Keyboard on page 62)
Top cover on page 67)
Hard drive on page 71)
Power connector cable on page
87)
89)
Heat sink assembly on page
55)
50)
53)
51)
95)
91)
Component replacement procedures
83