Dell Vostro 3550 (Early 2011) - Manual (Page 29)

11. Lift up the ExpressCard board at an angle and remove.
Installing The ExpressCard Board
1. Install the ExpressCard board on the slot.
2. Secure the latch to the ExpressCard board.
3. Tighten the ExpressCard board to the system board.
4. Connect the ExpressCard board cable to the system board.
5. Press the securing clip to secure the ExpressCard board.
6. Install the
palm rest .
7. Install the keyboard .
8. Install the access panel .
9. Install the express card .
10. Install the battery .
11. Follow the procedures in After Working Inside Your Computer .
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