Lenovo ThinkCentre M92 Hardware Maintenance Manual (HMM) (May 2012) - ThinkCen - Page 251
Remove the heat sink. See Replacing the heat sink
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5. Remove the heat sink. See "Replacing the heat sink" on page 239. 6. Remove the system fan. See "Replacing the system fan" on page 257. 7. Remove the WiFi card module if your computer has one. See "Replacing the WiFi card module" on page 252. 8. Carefully take note of the location of all cable connections on the system board and disconnect all the cables. See "Locating parts on the system board" on page 92. 9. Remove the five screws that secure the system board to the chassis by following the sequence shown in the following illustration. Figure 204. Removing the five screws that secure the system board Chapter 11. Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243) 245
5. Remove the heat sink. See “Replacing the heat sink” on page 239.
6. Remove the system fan. See “Replacing the system fan” on page 257.
7. Remove the WiFi card module if your computer has one. See “Replacing the WiFi card module” on
page 252.
8. Carefully take note of the location of all cable connections on the system board and disconnect all the
cables. See “Locating parts on the system board” on page 92.
9. Remove the five screws that secure the system board to the chassis by following the sequence shown
in the following illustration.
Figure 204. Removing the five screws that secure the system board
Chapter 11
.
Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
245