Lenovo ThinkCentre M70z Hardware Maintenance Manual (HMM) - Page 92

Remove the computer cover. See Removing the computer cover

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3. Remove the computer cover. See "Removing the computer cover" on page 71. 4. Remove the hard disk drive. See "Replacing the hard disk drive" on page 72. 5. Remove the wall mount. See "Removing or reinstalling the wall mount" on page 80. 6. Locate the heat sink on the system board. See "FRU locations" on page 67. 7. Remove the fan duct by pressing the two tabs 1 inward, and then pivoting the fan duct upward. Figure 20. Removing the fan duct 8. Follow the sequence on the heat sink to loose the four screws that secure the heat sink to the system board. Note: Carefully loose the four screws from the system board to avoid any possible damage to the system board. The four screws cannot be removed from the heat sink. 86 ThinkCentre Hardware Maintenance Manual

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3. Remove the computer cover. See “Removing the computer cover” on page 71.
4. Remove the hard disk drive. See “Replacing the hard disk drive” on page 72.
5. Remove the wall mount. See “Removing or reinstalling the wall mount” on page 80.
6. Locate the heat sink on the system board. See “FRU locations” on page 67.
7. Remove the fan duct by pressing the two tabs
1
inward, and then pivoting the fan duct upward.
Figure 20. Removing the fan duct
8. Follow the sequence on the heat sink to loose the four screws that secure the heat sink to the system
board.
Note:
Carefully loose the four screws from the system board to avoid any possible damage to the
system board. The four screws cannot be removed from the heat sink.
86
ThinkCentre Hardware Maintenance Manual