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What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to “Completing the parts replacement” on page 74.
Replacing the power switch board
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
on page v.
This section provides instructions on how to replace the power switch board.
To replace the power switch board, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See “Removing the computer cover” on page 33.
3. Locate the power switch board. See “Locating components” on page 12.
4. Remove the hard disk drive from the computer. See “Replacing the hard disk drive bracket” on page 60.
5. Disconnect the power switch board cable from the corresponding connector on the system board. See
“Locating parts on the system board” on page 13.
6. Remove the power switch board cable from the cable tie in the computer.
7. Remove the screw that secures the power switch board to the computer.
Figure 40. Removing the screw that secures the power switch board
Chapter 5. Installing or replacing hardware 53