Dell Vostro 3450 (Early 2011) - Manual (Page 106)

16. Lift the processor straight up from the socket and place it in an antistatic packaging.
Installing The Processor
1. Insert the processor into the processor socket. Ensure the processor is properly
seated.
2. Tighten the processor cam-screw in a clockwise direction to the locked position.
3. Install the heat sink .
4. Install the system board .
5. Install the system fan .
6. Install the VGA board .
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