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9. Secure the cable of the new internal speaker in the retaining clip on the side of the thermal module
bracket.
Figure 63. Securing the internal speaker cable
10. Connect the cable of the new internal speaker to the internal speaker connector on the system board.
See “Locating parts on the system board” on page 13.
11. Reinstall the hard disk drive assembly. See “Installing or removing the hard disk drive assembly”
on page 55.
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 78
.
Replacing the cover presence switch
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 cover presence switch (also known as intrusion
switch).
To replace the cover presence switch, 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 53.
3. Locate the cover presence switch in the computer. See “Locating components” on page 12.
4. Disconnect the cover presence switch cable from the system board.
Chapter 5. Installing or replacing hardware 69