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13. Reinstall the front audio and USB assembly. See "Replacing the front audio and USB assembly"
on page 88.
14. Reinstall the card reader. See "Replacing the card reader" on page 87.
15. Reinstall the storage drive. See "Replacing the storage drive" on page 85.
16. Reinstall the optical drive. See "Replacing the optical drive" on page 83.
17. Reinstall the front bezel. See "Replacing the front bezel" on page 82.
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 108.
Replacing the thermal sensor
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 82.
3. Remove the front bezel. See "Replacing the front bezel" on page 82.
4. Remove the optical drive. See "Replacing the optical drive" on page 83.
5. Remove the storage drive. See "Replacing the storage drive" on page 85.
6. Remove the card reader. See "Replacing the card reader" on page 87.
7. Remove the front audio and USB assembly. See "Replacing the front audio and USB assembly" on
page 88.
8. Remove the system fan assembly. See "Replacing the system fan assembly" on page 89.
9. Locate the thermal sensor. See "Computer components" on page 31.
10. Disconnect the thermal sensor cable from the system board. See "Parts on the system board" on
page 34.
11. From inside the chassis, pivot the upper retaining clip
sensor downward and then push the clip outward. Then disengage the plastic holder holding the
thermal sensor from the chassis.
Figure 20. Removing the thermal sensor
12. Pull the entire thermal sensor out of the chassis.
1
that secures the plastic holder of the thermal
.
Chapter 9
Installing or replacing hardware
91
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