Lenovo ThinkCentre M73z Hardware Maintenance Manual page 123

21. To install the new LCD panel, position the chassis over the new LCD panel and correctly route the new
LCD-panel cable and the converter-board cable. Then, connect the converter-board cable to the
new LCD panel.
22. Align the four screw holes in the LCD panel with the corresponding holes in the chassis, and then install
the four screws to secure the LCD panel to the chassis.
23. Position the chassis with the new LCD panel so that it is secured by the eight retaining clips on the front
bezel. Then, install the eight screws to secure the chassis with the new LCD panel to the front bezel.
24. Connect the new LCD-panel cable to the system board as shown.
Figure 57. Connecting the LCD panel cable to the system board
25. Route and connect all the cables that you have disconnected. See "Locating parts on the system
board" on page 71.
26. Install the microprocessor fan. See "Replacing the microprocessor fan" on page 96.
27. Install the power supply assembly. See "Replacing the power supply assembly" on page 94.
28. Install the VESA mount bracket. See "Removing and installing the VESA mount bracket" on page 93.
29. Install the internal speakers. See "Replacing the internal speakers" on page 92.
30. Install the rear I/O assembly. See "Replacing the rear I/O assembly" on page 89.
31. Install the system board shield. See "Removing and installing the system board shield" on page 88.
32. Install the converter board. See "Replacing the converter board" on page 86.
33. Install the optical drive. See "Replacing the optical drive" on page 85.
34. Install the hard disk drive. See "Replacing the 3.5-inch hard disk drive or hybrid hard disk drive" on
page 81 or "Replacing the 2.5-inch solid-state drive or hybrid hard disk drive" on page 83.
35. Install the U-shaped stand. See "Removing and installing the U-shaped stand" on page 77.
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 118.
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Chapter 8 Replacing FRUs
117