Before removing the RJ-11 connector assembly, follow these steps:
1.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2.
Disconnect all external devices connected to the computer.
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 45
).
5.
Remove the switch cover and keyboard (see
Switch cover and keyboard on page 46
).
6.
Remove the optical drive (see
Optical drive on page 51
).
7.
Remove the power button board cable (see
Power button board on page 53
).
8.
Remove the speakers (see
Speakers on page 55
).
9.
Remove the thermal shield (see
Thermal shield on page 56
).
10.
Remove the display assembly (see
Display assembly on computers with 15.6-in displays
on page 71
).
11.
Remove the palm rest (see
Palm rest on page 67
).
12.
Remove the hard drive (see
Hard drive on page 69
).
13.
Remove the top cover (see
Top cover on page 77
).
Remove the RJ-11 connector assembly:
1.
Position the computer right-side up with the right side toward you.
2.
Disconnect the cable from the system board
(1)
and remove the cable from the routing channel in
the base enclosure.
92
Chapter 4 Removal and replacement procedures
Summary of Contents for ProBook 4525s - Notebook PC
Page 1: ...HP ProBook 4525s Notebook PC Maintenance and Service Guide ...
Page 4: ...iv Safety warning notice ...
Page 8: ...10 Recycling 131 Battery 131 Display 131 Index 137 viii ...
Page 135: ...RJ 11 modem Pin Signal 1 Unused 2 Tip 3 Ring 4 Unused 5 Unused 6 Unused RJ 11 modem 127 ...
Page 149: ......
