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8. Remove the keyboard (see Keyboard on page 44).
9. Remove the top cover (see
Top cover on page 48).
Remove the USB board:
1. If not released already, release the ZIF connector (1) to which the USB board cable is
connected, and then disconnect the USB board cable from the system board.
2. Pry the clip (2) that secures the USB board to the base enclosure.
3. Remove the USB board and cable by lifting straight up (3).
Reverse this procedure to install the USB board.
Power connector
Description Spare part number
Power connector (includes cable) 682744-001
Before removing the power connector cable, 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 32).
5. Remove the service door (see
Service door on page 33).
6. Remove the optical drive (see
Optical drive on page 34).
7. Remove the hard drive (see
Hard drive on page 36)
Component replacement procedures 65