Lenovo ThinkCentre M83, Hardware Maintenance Manual

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2. Remove the computer cover. See “Removing the computer cover” on page 237.
3. Locate the thermal module in the computer. See “Locating major FRUs and CRUs” on page 88.
4. Remove the internal speaker. See “Replacing the internal speaker” on page 271.
5. Remove the cover presence switch. See “Replacing the cover presence switch” on page 274.
6. Remove the system fan. See “Locating major FRUs and CRUs” on page 88.
7. Follow this sequence to remove the four screws that secure the thermal module to the system board:
a. Partially remove screw 1 , then fully remove screw 2 , and then fully remove screw 1 .
b. Partially remove screw 3 , then fully remove screw 4 , and then fully remove screw 3 .
Lift and pull the thermal module to remove it from the system board.
Notes:
• Carefully remove the four screws from the system board to avoid any possible damage to the system
board. The four screws cannot be removed from the thermal module.
• Do not touch the thermal grease while handling the thermal module.
Figure 280. Removing the thermal module
Chapter 10
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Replacing FRUs (machine types: 10A4, 10A5, 10AA, 10AB, 10DF, 10DG, 10DH, 10DJ, 10E8, 10E9, 10EA, and 10EB)
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