HP ProBook 4535s HP ProBook 4535s Notebook PC - Maintenance and Service Guide - Page 84

Disconnect the webcam cable, Remove the system board

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c. Optical drive (see Optical drive on page 43) d. Modem module (see Modem module on page 69) e. Keyboard (see Keyboard on page 56) f. Top cover (see Top cover on page 58) When replacing the system board, be sure to remove the following components from the defective system board and install on the replacement system board: ● SIM (see SIM on page 41) ● Memory module (see Memory modules on page 47) ● WLAN module (see WLAN/Bluetooth combo card on page 51) ● WWAN module (see WWAN module on page 49) ● Modem module (see Modem module on page 69) ● Processor (see Processor on page 84) Remove the system board: 1. Position the computer upright with the front toward you. 2. Disconnect the webcam cable (1) and the display cable (2) from the system board, and remove the cables from the routing clip (3). 3. Remove the Phillips PM2.5×5.0 screw (1) that secures the system board to the base enclosure. 4. Lift the optical drive connector latch (2), and then disconnect the optical drive cable (3). 76 Chapter 4 Removal and replacement procedures

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c.
Optical drive (see
Optical drive
on page
43
)
d.
Modem module (see
Modem module
on page
69
)
e.
Keyboard (see
Keyboard
on page
56
)
f.
Top cover (see
Top cover
on page
58
)
When replacing the system board, be sure to remove the following components from the defective
system board and install on the replacement system board:
●
SIM (see
SIM
on page
41
)
●
Memory module (see
Memory modules
on page
47
)
●
WLAN module (see
WLAN/Bluetooth combo card
on page
51
)
●
WWAN module (see
WWAN module
on page
49
)
●
Modem module (see
Modem module
on page
69
)
●
Processor (see
Processor
on page
84
)
Remove the system board:
1.
Position the computer upright with the front toward you.
2.
Disconnect the webcam cable
(1)
and the display cable
(2)
from the system board, and remove
the cables from the routing clip
(3)
.
3.
Remove the Phillips PM2.5×5.0 screw
(1)
that secures the system board to the base enclosure.
4.
Lift the optical drive connector latch
(2)
, and then disconnect the optical drive cable
(3)
.
76
Chapter 4
Removal and replacement procedures