Dell Vostro 3350 (Early 2011) - Manual (Page 66)

15. Lift the processor up and away from the system board.
Installing The Processor
1. Insert the processor into the processor socket. Ensure the processor is
properly seated.
2. Tighten the cam lock in a clockwise direction.
3. Install the
system board
4. Install the display assembly .
5. Install the palm rest .
6. Install the WWAN card .
7. Install the keyboard .
8. Install the hard drive
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