Dell Vostro 470 (Mid 2012) - Manual (Page 32)

Figure 31.
Installing The Power Supply Unit
1. Install the power supply unit into the computer.
2. Slide the power supply unit towards the back of the computer till it snaps into place.
3. Install the screws that secure the power supply unit to the computer.
4. Connect all the power supply cables to the system board and drives.
5. Install the cover.
6. Follow the procedures in After Working Inside Your Computer.
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