HP ProBook 4520s HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Page 114

USB connector assembly

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8. Remove the screw (1) that secures the USB to the computer, disconnect the cable (2) from the system board and then, remove the device (3) from the computer. Reverse this procedure to install the system board. USB connector assembly NOTE: The USB connector assembly is included in the Cable Kit, spare part number 603188-001 for computers with 17.3-in displays and in 599807-001 for computers with 15.6-in displays. Before removing the USB 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 switch cover and keyboard (see Switch cover and keyboard on page 51). 6. Remove the optical drive (see Optical drive on page 56). 7. Remove the power button board cable (see Power button board on page 58). 8. Remove the speakers (see Speakers on page 60). 106 Chapter 4 Removal and replacement procedures

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8.
Remove the screw
(1)
that secures the USB to the computer, disconnect the cable
(2)
from the
system board and then, remove the device
(3)
from the computer.
Reverse this procedure to install the system board.
USB connector assembly
NOTE:
The USB connector assembly is included in the Cable Kit, spare part number 603188-001 for
computers with 17.3-in displays and in 599807-001 for computers with 15.6-in displays.
Before removing the USB 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 switch cover and keyboard (see
Switch cover and keyboard
on page
51
).
6.
Remove the optical drive (see
Optical drive
on page
56
).
7.
Remove the power button board cable (see
Power button board
on page
58
).
8.
Remove the speakers (see
Speakers
on page
60
).
106
Chapter 4
Removal and replacement procedures