HP ProBook 4520s HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Page 117

Power connector assembly, Remove the following components

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3. Lift the R-11 connector (2) from its holder and out of the base enclosure. Reverse this procedure to install the RJ-11 connector assembly. Power connector assembly NOTE: The power connector assembly is included in the Base Cable Kit, spare part number 603188-0001 for computers with 17.3-in displays and 599807-001 for computers with 15.6-in displays. Before removing the power 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 50). 5. Remove the following components: a. Switch cover and keyboard (see Switch cover and keyboard on page 51) b. Optical drive (see Optical drive on page 56) c. Power button board cable (see Power button board on page 58) d. Speakers (see Speakers on page 60) Component replacement procedures 109

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3.
Lift the R-11 connector
(2)
from its holder and out of the base enclosure.
Reverse this procedure to install the RJ-11 connector assembly.
Power connector assembly
NOTE:
The power connector assembly is included in the Base Cable Kit, spare part number
603188-0001 for computers with 17.3-in displays and 599807-001 for computers with 15.6-in
displays.
Before removing the power 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
50
).
5.
Remove the following components:
a.
Switch cover and keyboard (see
Switch cover and keyboard
on page
51
)
b.
Optical drive (see
Optical drive
on page
56
)
c.
Power button board cable (see
Power button board
on page
58
)
d.
Speakers (see
Speakers
on page
60
)
Component replacement procedures
109