HP ProBook 4520s HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Page 108

straight up from the system board., Lift the modem module

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Page 108 highlights

7. Remove the power button board cable (see Power button board on page 58). 8. Remove the speakers (see Speakers on page 60). 9. Remove the thermal shield (see Thermal shield on page 62). 10. Remove the display assembly (see Display assembly on computers with 17.3-in displays on page 80 or Display assembly on computers with 15.6-in displays on page 86). 11. Remove the palm rest (see Palm rest on page 76). 12. Remove the hard drive (see Hard drive on page 78). 13. Remove the top cover (see Top cover on page 92). Remove the modem module: 1. Position the computer right-side up with the front toward you. 2. Remove the two Phillips PM2.5×3.0 screws (1) that secure the modem module to the system board. 3. Lift the modem module (2) straight up from the system board. 4. Disconnect the modem module cable (3). The modem module cable is spared in the Cable kit spare part number 599807-001. 5. Remove the modem module. Reverse this procedure to install the modem module. 100 Chapter 4 Removal and replacement procedures

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7.
Remove the power button board cable (see
Power button board
on page
58
).
8.
Remove the speakers (see
Speakers
on page
60
).
9.
Remove the thermal shield (see
Thermal shield
on page
62
).
10.
Remove the display assembly (see
Display assembly on computers with 17.3-in displays
on page
80
or
Display assembly on computers with 15.6-in displays
on page
86
).
11.
Remove the palm rest (see
Palm rest
on page
76
).
12.
Remove the hard drive (see
Hard drive
on page
78
).
13.
Remove the top cover (see
Top cover
on page
92
).
Remove the modem module:
1.
Position the computer right-side up with the front toward you.
2.
Remove the two Phillips PM2.5×3.0 screws
(1)
that secure the modem module to the system
board.
3.
Lift the modem module
(2)
straight up from the system board.
4.
Disconnect the modem module cable
(3)
. The modem module cable is spared in the Cable kit
spare part number 599807-001.
5.
Remove the modem module.
Reverse this procedure to install the modem module.
100
Chapter 4
Removal and replacement procedures