Lenovo ThinkCentre E73z, Hardware Maintenance Manual, Page: 90 / 124

7. Remove the power cord connector from the rear I/O assembly.
Figure 23. Removing the power cord connector from the rear I/O assembly
8. To reinstall the rear I/O assembly, install the two screws to secure the power cord connector. Position
the new rear I/O assembly into place, and then align the screw holes with the corresponding holes in the
computer main bracket, and then install the other three screws to secure the rear I/O assembly.
9. Reinstall the system board shield. See “Removing and reinstalling the system board shield” on page 83.
10. Go to “Completing the parts replacement” on page 108.
Removing the VESA mount bracket
Attention: Do not open your computer or attempt any repair before reading and understanding the
“Important safety information” on page 1
This section provides instructions on how to remove the VESA mount bracket.
To remove the VESA mount bracket, 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 other flat 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 75.
4. Locate the VESA mount bracket. See “Locating major FRUs and CRUs” on page 66.
5. Remove the system board shield. See “Removing and reinstalling the system board shield” on page 83.
6. Remove the rear I/O assembly. See “Replacing the rear I/O assembly” on page 84.
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ThinkCentre E73z Hardware Maintenance Manual