Lenovo 10K9, Hardware Maintenance Manual, Page: 101 / 158

7. Connect the signal cable and the power cable to the new optical drive.
Figure 14. Connecting the optical drive
8. Reinstall the front bezel. See “Replacing the front bezel” on page 90.
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 126.
Replacing the front audio and USB assembly
Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 “Read this first: Important safety information” on page 1.
To replace the front audio and USB assembly, do the following:
1. Remove any media from the drives and turn off all connected devices and the computer. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to the
computer.
2. Remove the computer cover. See “Removing the computer cover” on page 90.
3. Remove the front bezel. See “Replacing the front bezel” on page 90.
4. Locate the front audio and USB assembly. See “Computer components” on page 31.
5. Disconnect the front audio and USB assembly cables from the system board. See “Parts on the
system board” on page 34.
Note: Ensure that you note the locations of the cables when you disconnect the cables from the
system board.
Chapter 9
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Installing or replacing hardware
93