Lenovo 27IAH7 Hardware Maintenance Manual page 85

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5. Remove the power switch board. See "Power switch board" on page 63.
6. Remove the side I/O board. See "Side I/O board" on page 64.
7. Remove the system board shielding fence. See "System board shielding fence" on page 65.
8. Remove the PSU and PSU socket bracket. See "PSU and PSU socket bracket" on page 66.
9. Remove the memory module. "Memory module" on page 68.
10. Remove the heat sink. "Heat sink" on page 69.
11. Remove the system fans. "System fans" on page 70.
12. Remove the M.2 solid-state drive. "M.2 solid-state drive" on page 71.
13. Remove the Wi-Fi card. "Wi-Fi card" on page 72.
14. Remove the speaker. "Internal speaker" on page 73.
15. Remove the system board. "System board" on page 74.
16. Remove the middle frame. See "Middle frame" on page 76.
17. Remove the front bezel from the LCD panel. See "Front bezel" on page 79.
18. Install the new LCD panel.
19. Reinstall the removed parts in reverse order of the removal steps mentioned above.
20. Reconnect all disconnected cables to the computer and reconnect the power cord to the electric outlet.
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Chapter 6
Hardware removal and installation
81

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