Reverse this procedure to install the audio board.
USB connector assembly
The USB connector assembly is included in the Cable Kit, spare part number
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 42).
5.Remove the following components:
a.Bottom door (see Bottom door on page 44).
b.Keyboard (see Keyboard on page 56)
c.Top cover (see Top cover on page 67)
Remove the USB connector assembly:
1.Position the computer upright.
2.Disconnect the cable from the system board (1).
3.Remove the cables from the routing path (2).
82 Chapter 4 Removal and replacement procedures
