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 41), and then remove the following components:
●
Keyboard (see
Keyboard on page 45)
●
Top cover (see
Top cover on page 53)
●
WLAN module (see
WLAN module on page 61)
●
System board (see
System board on page 66)
●
Hard drive (see
Hard drive on page 59)
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.
70 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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