Dell Vostro 2420 (Mid 2012) - Manual (Page 5)

Figure 5. AC Adapter
2. Connect the network cable (optional).
Figure 6. Network Connector
3. Connect USB devices, such as a mouse or keyboard (optional).
Figure 7. USB Connector
4. Open the computer display and press the power button to turn on the computer.
Figure 8. Power Button
NOTE: It is recommended that you turn on and shut down your computer at least once before you install any cards
or connect the computer to a docking device or other external device, such as a printer.
Specifications
NOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your
computer. For more information regarding the configuration of your computer, click Start → Help and Support and
select the option to view information about your computer.
Power
AC adapter
Vostro 2420 / Vostro 2520 with integrated video card 65 W
5