Dell Vostro 330 (Early 2011) - Manual (Page 59)

Installing The Processor Heat Sink
1. Place the heat sink on the computer and replace the screws that secure
the heat sink to the system board.
2. Replace the screws that secure the heat sink to the computer.
3. Replace the
processor fan .
4. Replace the video card fan .
5. Replace the video card and heat sink assembly .
6. Replace the system board shield .
7. Replace the front stand .
8. Replace the cover .
9. Follow the procedures in After Working Inside Your Computer .
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