USB board
Description Spare part number
USB board (includes cable) 608277-001
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).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 53)
b. Optical drive (see
Optical drive on page 55)
c. Keyboard (see
Keyboard on page 57)
d. Top cover (see
Top cover on page 59)
Remove the USB board:
1. Position the computer upright with the right side toward you.
2. Disconnect the USB board cable (1) from the system board.
3. Remove the Phillips PM2.5×5.0 screw (2) that secures the USB board to the base enclosure.
Component replacement procedures
71
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