2. Remove the display switch module (2).
Reverse this procedure to install the display switch module.
Rear USB board
Description Spare part number
Rear USB board (includes rear USB board cable) 449762-001
Before removing the rear USB 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 46).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 51)
b.
Optical drive (see
Optical drive on page 60)
c.
Switch cover (see
Switch cover on page 62)
d.
Keyboard (see
Keyboard on page 64)
e.
Speaker assembly (see
Speaker assembly on page 67)
f.
Display assembly (see
Display assembly on page 70)
g.
Top cover (see
Top cover on page 76)
Component replacement procedures 91