Lenovo ThinkCentre Edge 91z Hardware Maintenance Manual page 128

9. Remove all the 15 screws that secure the computer main bracket to the front bezel.
Figure 45. Removing all the 15 screws that secure the computer main bracket to the front bezel
10. Note the locations of all cable connections that prevent you from lifting the computer main bracket and
disconnect all cables. See "System board parts and connectors" on page 88.
11. Remove the integrated camera. See "Replacing the integrated camera" on page 117.
12. Note the routing of the wireless antenna wires
main bracket in the directions shown by the arrows.
Figure 46. Loosening the wireless antenna wires from the computer main bracket
13. Lift the computer main bracket off the front bezel.
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and . Then, loosen the two wires from the computer