Dell Vostro 3555 (Mid 2011) - Manual (Page 68)

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 ExpressCard board .
6. Install the hold switch .
7. Install the WLAN card .
8. Install the palm rest .
9. Install the keyboard .
10. Install the hard drive .
11. Install the optical drive .
12. Install the memory module .
13. Install the access panel .
14. Install the ExpressCard .
15. Install the memory card .
16. Install the battery .
17. Follow the procedures in After Working Inside Your Computer .
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