HP ProBook 4525s - Notebook PC Maintenance And Service Manual page 100

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
5. Remove the switch cover and keyboard (see
6. Remove the optical drive (see
7. Remove the power button board cable (see
8. Remove the speakers (see
9. Remove the thermal shield (see
10. Remove the display assembly (see
on page
11. Remove the palm rest (see
12. Remove the hard drive (see
13. Remove the top cover (see
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
Battery on page
Optical drive on page
Speakers on page
Thermal shield on page
71).
Palm rest on page
Hard drive on page
Top cover on page
45).
Switch cover and keyboard on page
51).
Power button board on page
55).
56).
Display assembly on computers with 15.6-in displays
67).
69).
77).
46).
53).