HP Pavilion 17-ab200 Maintenance and Service Guide - Page 70

If they are not already disconnected, disconnect the following cables from the system board note

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1. Shut down the computer. 2. 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. 3. Disconnect all external devices connected to the computer. 4. Remove the following components: a. Battery (see Battery on page 37) b. Optical drive (see Optical drive on page 38) c. Base enclosure (see Base enclosure on page 40) d. Hard drive (see Hard drive on page 42) e. SSD (see SSD (M.2) on page 44) f. Disconnect the WLAN cable (see WLAN module on page 47) g. Right speaker (see Right speaker on page 49) h. USB board (see USB board on page 51) i. Fan (see Fan on page 52) j. Heat sink for discrete graphics memory (see Heat sink for discrete graphics memory on page 53) k. Left speaker (see Left speaker on page 55) 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: ● WLAN module (see WLAN module on page 47) ● Memory module (see Memory module on page 45) ● RTC battery (see RTC battery on page 62) ● Heatsink for CPU and graphics (see Heatsink for CPU and graphics on page 57) Remove the system board: 1. If they are not already disconnected, disconnect the following cables from the system board (note the routing location of the cables when removing them): NOTE: Use minimal force when lifting the locking bar up on a ZIF connector and disconnecting the cable. (1) USB ribbon cable (2) WLAN cable (3) Display cable (4) Right speaker cable (5)Touchpad cable (6) Keyboard cable (7) Backlight cable (8) Power in connection cable (9) Left speaker 60 Chapter 6 Removal and replacement procedures for authorized service provider parts

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1.
Shut down the computer.
2.
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.
3.
Disconnect all external devices connected to the computer.
4.
Remove the following components:
a.
Battery (see
Battery
on page
37
)
b.
Optical drive (see
Optical drive
on page
38
)
c.
Base enclosure (see
Base enclosure
on page
40
)
d.
Hard drive (see
Hard drive
on page
42
)
e.
SSD (see
SSD (M.2)
on page
44
)
f.
Disconnect the WLAN cable (see
WLAN module
on page
47
)
g.
Right speaker (see
Right speaker
on page
49
)
h.
USB board (see
USB board
on page
51
)
i.
Fan (see
Fan
on page
52
)
j.
Heat sink for discrete graphics memory (see
Heat sink for discrete graphics memory
on page
53
)
k.
Left speaker (see
Left speaker
on page
55
)
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:
●
WLAN module (see
WLAN module
on page
47
)
●
Memory module (see
Memory module
on page
45
)
●
RTC battery (see
RTC battery
on page
62
)
●
Heatsink for CPU and graphics (see
Heatsink for CPU and graphics
on page
57
)
Remove the system board:
1.
If they are not already disconnected, disconnect the following cables from the system board (note the
routing location of the cables when removing them):
NOTE:
Use minimal force when lifting the locking bar up on a ZIF connector and disconnecting the
cable.
(1)
USB ribbon cable
(2)
WLAN cable
(3)
Display cable
(4)
Right speaker cable
(5)
Touchpad cable
(6)
Keyboard cable
(7)
Backlight cable
(8)
Power in connection cable
(9)
Left speaker
60
Chapter 6
Removal and replacement procedures for authorized service provider parts