Replacing The System Board And Chassis - Lenovo ThinkCentre M720q User Manual And Hardware Maintenance Manual

Figure 93. Locking the M.2 solid-state drive clip
4. Complete the replacement. See "Completing the parts replacement" on page 56.

Replacing the system board and chassis

Attention: Do not open your computer or attempt any repairs before reading the Important Product
Information Guide.
1. Remove the computer cover. See "Removing the computer cover" on page 25.
2. Remove the storage drive or PCI Express card. See "Replacing the storage drive" on page 26 or
"Replacing the PCI Express card and PCI Express card adapter" on page 29.
3. Remove the internal speaker if necessary. See "Replacing the internal speaker" on page 31.
4. Remove the system fan. See "Replacing the system fan" on page 33.
5. Remove the heat sink. See "Replacing the heat sink" on page 34.
6. Remove the microprocessor. See "Replacing the microprocessor" on page 37.
7. Remove the advanced speaker if necessary. See "Replacing the advanced speaker" on page 32.
8. Remove the Wi-Fi antennas. See "Replacing the Wi-Fi antennas" on page 44.
9. Remove the antenna bracket. See "Replacing the antenna bracket" on page 49.
10. Remove the Wi-Fi card. See "Replacing the Wi-Fi card" on page 40.
11. Remove the bottom cover. See "Replacing the bottom cover" on page 49.
12. Remove the memory module. See "Replacing the memory module" on page 50.
13. Remove the M.2 solid-state drive. See "Replacing the M.2 solid-state drive" on page 52.
14. Record the cable routing and cable connections, and then disconnect all cables from the system board.
See "System board" on page 4.
15. Replace the system board and chassis.
Note: Carefully handle the system board by its edges.
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M720q User Guide and Hardware Maintenance Manual