USB board
Description | Spare part number |
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USB board (includes USB board cable) | |
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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 40).
5. Remove the following components:
a. Hard drive (see Hard drive on page 45)
b. Wireless module compartment cover (see WLAN module on page 48)
c. Optical drive (see Optical drive on page 53)
d. Keyboard (see Keyboard on page 54)
e. Switch cover (see Switch cover on page 56)
f. Display assembly (see Display assembly on page 59)
g. Top cover (see Top cover on page 65)
Remove the USB board:
1. Disconnect the USB board cable (1) from the system board. The USB board cable and num lock light cable are included in the USB board spare part kit and are also available in the Cable Kit, spare part number
2. Remove the num lock light cable (2) from the clip in the base enclosure.
3. Remove the Phillips PM2.5×4.0 screw (3) that secures the USB board to the computer.
76 Chapter 4 Removal and replacement procedures