Replacing The Wi-Fi Antennas - Lenovo ThinkCentre M900z 10F2 Hardware Maintenance Manual

6. Remove the two screws that secure the integrated camera, and then lift the integrated camera to
disconnect the cable from it. Remove the integrated camera from the chassis.
Figure 41. Removing the integrated camera
7. Connect the integrated camera cable to the new integrated camera.
8. Align the two screws in the integrated camera with the corresponding screw holes in the chassis. Then,
install the two screws to secure the integrated camera.
9. Reinstall the system board shield. See "Replacing the system board shield" on page 98.
10. Reinstall the computer cover. See "Replacing the computer cover" on page 95.
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 116.

Replacing the Wi-Fi antennas

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 Wi-Fi antennas, 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 back cover. See "Removing the back cover" on page 90.
3. Remove the computer cover. See "Replacing the computer cover" on page 95.
4. Remove the system board shield. See "Replacing the system board shield" on page 98.
5. Locate the Wi-Fi antennas. See "Major FRUs and CRUs" on page 31.
6. Note the routing of the Wi-Fi antenna cables, and then disconnect the cables from the Wi-Fi card. See
"Replacing the Wi-Fi card" on page 107.
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ThinkCentre M900z Hardware Maintenance Manual