Lenovo ThinkCentre M90z Hardware Maintenance Manual for ThinkCentre M90z - Page 101

Replacing the microprocessor fan assembly

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5. Note the routing of the integrated camera cable and then disconnect the integrated camera cable from the system board. See "System board connectors" on page 70. 6. Remove the two screws 1 that secure the integrated camera with microphone to the front bezel, and then remove the integrated camera with microphone from the computer. Figure 32. Removing the integrated camera with microphone 7. Route the new integrated camera cable and then position the new integrated camera with microphone in place. Align the two screw holes in the new integrated camera with microphone with those in the front bezel. 8. Reinstall the two screws to secure the new integrated camera with microphone to the front bezel. 9. Connect the integrated camera cable to the system board. See "System board connectors" on page 70. 10. Go to "Completing the parts replacement" on page 110. Replacing the microprocessor fan assembly Attention Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:http://www.lenovo.com/support This section provides instructions on how to replace the microprocessor fan assembly. To replace the microprocessor fan assembly, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. 3. Remove the computer cover. See "Removing the computer cover" on page 71. Chapter 8. Replacing FRUs 95

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5. Note the routing of the integrated camera cable and then disconnect the integrated camera cable from
the system board. See “System board connectors” on page 70.
6. Remove the two screws
1
that secure the integrated camera with microphone to the front bezel, and
then remove the integrated camera with microphone from the computer.
Figure 32. Removing the integrated camera with microphone
7. Route the new integrated camera cable and then position the new integrated camera with microphone
in place. Align the two screw holes in the new integrated camera with microphone with those in the
front bezel.
8. Reinstall the two screws to secure the new integrated camera with microphone to the front bezel.
9. Connect the integrated camera cable to the system board. See “System board connectors” on page 70.
10. Go to “Completing the parts replacement” on page 110.
Replacing the microprocessor fan assembly
Attention
Do not open your computer or attempt any repair before reading and understanding the “Important safety
information” in the
ThinkCentre Safety and Warranty Guide
that came with your computer. To obtain a copy
of the
ThinkCentre Safety and Warranty Guide
This section provides instructions on how to replace the microprocessor fan assembly.
To replace the microprocessor fan assembly, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the screen is against the surface and the cover is facing up.
3. Remove the computer cover. See “Removing the computer cover” on page 71.
Chapter 8
.
Replacing FRUs
95