Dell Vostro 3350 (Early 2011) - Manual (Page 93)

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Input/Output Board
Removing The Input/Output (I/O) Board
1. Follow the procedures in Before Working On Your Computer .
2. Remove the battery .
3. Remove the memory card .
4. Remove the access panel .
5. Remove the WLAN card .
6. Remove the optical drive
7. Remove the hard drive .
8. Remove the keyboard .
9. Remove the WWAN card .
10. Remove the palm rest .
11. Remove the display assembly .
12. Remove the system board
13. Lift up the I/O board at an angle and remove it from the computer.
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