Dell Vostro 330 (Early 2011) - Manual (Page 63)

System Board
21
Removing The System Board
1. Follow the procedures in Before Working On Your Computer .
2. Remove the cover .
3. Remove the front stand .
4. Remove the system board shield .
5. Remove the WLAN card .
6. Remove the video card fan .
7. Remove the video card and heat sink assembly .
8. Remove the processor fan .
9. Remove the processor heat sink .
10. Remove the processor .
11. Disconnect the AV cable from the system board.
12. Disconnect the SATA cable from the system board.
63