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3. Remove the audio board (3).
Reverse this procedure to install the audio board.
USB/power connector board
Description Spare part number
USB/power connector board 447444-001
Before removing the USB/power connector board, 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 37).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 40)
b.
Optical drive (see
Optical drive on page 48)
c.
Switch cover (see
Switch cover on page 50)
d.
Keyboard (see
Keyboard on page 52)
e.
Display assembly (see
Display assembly on page 56)
f.
Top cover (see
Top cover on page 63)
g.
System board (see
System board on page 65)
Component replacement procedures 69