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USB board

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USB board Description USB board (includes cable) Spare part number 749649-001 Before removing the 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 35), and then remove the following components: ● Keyboard (see Keyboard on page 39) ● Top cover (see Top cover on page 47) ● WLAN module (see WLAN module on page 55) ● System board (see System board on page 60) ● Hard drive (see Hard drive on page 53) To remove the USB board: 1. Position the computer upright. 2. Disconnect the USB board cable from the system board (1). 3. Remove the tape that secures it to the cable to the base enclosure (2). 4. Remove the Phillips PM2.5×5.0 screw (3) that secures the USB board to the base enclosure. 5. Remove the USB board (4). Reverse this procedure to install the USB board. Component replacement procedures 63

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USB board
Description
Spare part number
USB board (includes cable)
749649-001
Before removing the 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
35
), and then remove the following components:
●
Keyboard (see
Keyboard
on page
39
)
●
Top cover (see
Top cover
on page
47
)
●
WLAN module (see
WLAN module
on page
55
)
●
System board (see
System board
on page
60
)
●
Hard drive (see
Hard drive
on page
53
)
To remove the USB board:
1.
Position the computer upright.
2.
Disconnect the USB board cable from the system board
(1)
.
3.
Remove the tape that secures it to the cable to the base enclosure
(2)
.
4.
Remove the Phillips PM2.5×5.0 screw
(3)
that secures the USB board to the base enclosure.
5.
Remove the USB board
(4)
.
Reverse this procedure to install the USB board.
Component replacement procedures
63