Lenovo ThinkCentre M90p Hardware Maintenance Manual - Page 98

Locating parts on the system board

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1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Open the computer cover. See "Opening the computer cover" on page 68. 3. Remove the front bezel by releasing the three plastic tabs and pivoting the front bezel outward. Figure 31. Removing the front bezel 4. Pivot the optical drive bay assembly upward. 5. Locate the system fan. See "Locating components" on page 69. 6. Disconnect the system fan cable from the microprocessor fan connector on the system board. See "Locating parts on the system board" on page 70. 7. Release the four tabs on the bottom of the system fan as shown, and then lift the system fan straight up to completely remove it from the chassis. 92 ThinkCentre Hardware Maintenance Manual

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1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Open the computer cover. See “Opening the computer cover” on page 68.
3. Remove the front bezel by releasing the three plastic tabs and pivoting the front bezel outward.
Figure 31. Removing the front bezel
4. Pivot the optical drive bay assembly upward.
5. Locate the system fan. See “Locating components” on page 69.
6. Disconnect the system fan cable from the microprocessor fan connector on the system board. See
“Locating parts on the system board” on page 70.
7. Release the four tabs on the bottom of the system fan as shown, and then lift the system fan straight up
to completely remove it from the chassis.
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ThinkCentre Hardware Maintenance Manual