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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 55).
5. Remove the switch cover and keyboard (see
Switch cover and keyboard on page 56).
6. Remove the optical drive (see
Optical drive on page 61).
7. Remove the power button board cable (see
Power button board on page 63).
8. Remove the speakers (see
Speakers on page 65).
Component replacement procedures
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