Dell Vostro 270s (Late 2012) - Manual (Page 3)

Figure 3. Network Connection
2. If you purchased the optional discrete graphics card, connect the display to the
connector on the discrete graphics card. Otherwise, connect the display using
either the integrated VGA or HDMI connector. Connect the monitor using only one
of the following cables:
Figure 4. VGA Connector And HDMI Connector
3. Connect the USB keyboard or mouse (optional).
Figure 5. USB Connection
4. Connect the power cable(s).
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