Dell Vostro 360 (Late 2011) - Manual (Page 50)

8. Lift and remove the heatsink fan from the computer.
Installing The Heatsink Fan
1. Install the heatsink fan on the chassis.
2. Tighten the screws to secure the heatsink fan to the chassis.
3. Connect the heatsink fan connector to its socket on the system board.
4. Install the system board shield .
5. Install the rear I/O cover .
6. Install the rear stand .
7. Install the rear cover .
8. Follow the procedures in After Working Inside Your Computer .
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