Lenovo ThinkCentre M920z, User Manual And Hardware Maintenance Manual

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8. Remove the VESA mount bracket. See “Replacing the VESA mount bracket” on page 26.
9. Remove the power supply assembly. See “Replacing the power supply assembly” on page 27.
10. Remove the cover presence switch. See “Replacing the cover presence switch” on page 30.
11. Remove the system fan. See “Replacing the system fan” on page 31.
12. Remove the heat sink. See “Replacing the heat sink” on page 32.
13. Remove the system board. See “Replacing the system board” on page 48.
14. Remove the integrated camera and microphone module. See “Replacing the integrated camera and
microphone module” on page 49.
15. Remove the back frame. See “Replacing the back frame” on page 52.
16. Remove the internal speakers. See “Replacing the internal speakers” on page 55.
17. Remove the Wi-Fi antennas. See “Replacing the Wi-Fi antennas” on page 56.
18. Replace the LCD panel.
Note: Ensure that you remove and reinstall the screws in order of the numbers as shown.
19. Reinstall the removed parts. To complete the replacement, see “Completing the parts replacement” on
page 58.
Completing the parts replacement
After completing the installation or replacement for all parts, reinstall the computer cover and reconnect the
cables.
To reinstall the computer cover and reconnect the cables to your computer, do the following:
1. Ensure that all components have been reassembled correctly and that no tools or loose screws are left
inside your computer.
2. Ensure that the cables are routed correctly before reinstalling the computer cover. Keep cables clear of
the hinges and sides of the computer chassis to avoid interference when reinstalling the computer
cover.
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M920z User Guide and Hardware Maintenance Manual