Dell PowerEdge C2100 - Manual (Page 9)

Getting Started With Your System
7
Connect the system’s power cable(s) to the system and, if a monitor is used,
connect the monitor’s power cable to the monitor. Plug the other end of the
power cables into a grounded electrical outlet or a separate power source such
as an uninterrupted power supply (UPS) or a power distribution unit (PDU).
Turning On the System
Press the power button on the system and the monitor. The power indicators
should light.
Complete the Operating System Setup
To install an operating system, see the installation and configuration
documentation for your operating system. Be sure the operating
system is installed before installing hardware or software not purchased
with the system.