Lenovo H535 Desktop - Manual (Page 52)

Step 7. To install the new system fan:
a. Install the new system fan assembly by aligning the rubber mounts of the system fan assembly
with the holes on the chassis and then push the rubber mounts through the holes.
b. Pull on the tips of the rubber mounts until the fan assembly is in place.
c. Connect the system fan power cable to the connector on the board.
Step 8. Reattach the computer cover.
46 Lenovo H505/520/535Hardware Maintenance Manual