Lenovo ThinkCentre M90 3244 User Manual page 41

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.
Figure 27. Removing the system fan
8. Align the four tabs on the bottom of the new system fan with the
corresponding holes in the chassis, and push the new system fan straight
down until it snaps into position.
9. Connect the system fan cable to the microprocessor fan connector on the
system board. See "Locating parts on the system board" on page 11.
10. To reinstall the front bezel, align the three tabs on the front bezel with the
corresponding holes in the chassis and pivot the front bezel inwards until it
snaps into position.
What to do next:
v To work with another piece of hardware, go to the appropriate section.
v To complete the installation or replacement, go to "Completing the parts
replacement" on page 37.
Chapter 2. Installing or replacing hardware
33