System information

3.
Remove the USB board (4) and cable.
Reverse this procedure to install the USB board.
Power connector cable
Description Spare part number
Power connector cable 641394-001
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 44), and then remove the following components:
●
Optical drive (see
Optical drive on page 45)
●
Hard drive (see
Hard drive on page 47)
●
Keyboard (see
Keyboard on page 53)
●
Top cover (see
Top cover on page 57)
●
USB board (see
USB board on page 70)
Component replacement procedures
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