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Audio/USB board
Description Spare part number
Audio/USB board (includes audio board cable and USB board cable) 480828-001
Before removing the audio/USB board, follow these steps:
1.
Shut down the computer. If you are unsure whether the computer is off, 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 29).
5.
Remove the following components:
a.
Flash drive (see
Flash drive on page 30)
b.
Optical drive (see
Optical drive on page 33)
c.
Keyboard (see
Keyboard on page 35)
d.
Switch cover (see
Switch cover on page 43)
e.
Display assembly (see
Display assembly on page 45)
f.
Top cover (see
Top cover on page 49)
g.
System board (see
System board and system board frame on page 52)
Remove the audio/USB board:
1. Remove the two Torx T8M2.5×5.0 screws (1) that secure the audio/USB board to the base
enclosure.
58 Chapter 4 Removal and replacement procedures