Dell Vostro V131 (Mid 2011) - Manual (Page 66)

Installing The Input/Output (I/O) Board
1. Insert the I/O board into its slot.
2. Connect the speaker cable to the I/O board.
3. Install the system board .
4. Install the display assembly .
5. Install the heat sink .
6. Install the Wireless Wide Area Network (WWAN) card .
7. Install the Wireless Local Area Network (WLAN) card .
8. Install the palm rest .
9. Install the memory .
10. Install the hard drive .
11. Install the keyboard .
12. Install the base cover .
13. Install the Secure Digital (SD) card .
14. Install the Subscriber Identity Module (SIM) card .
15. Install the battery .
16. Follow the procedures in After Working Inside Your Computer .
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