Dell Vostro 470 (Mid 2012) - Manual (Page 20)

Figure 17.
6. Slide the multimedia card reader out through the front of the computer.
Figure 18.
Installing The Memory Card Reader
1. Slide the memory card-reader in through the front of the computer.
2. Replace and tighten the screws that secure the multimedia card-reader to the drive cage.
3. Route the memory card reader cable through the retention clip.
4. Connect the memory card reader cable to the system board connector.
5. Install the cover.
6. Follow the procedures in After Working Inside Your Computer.
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