Dell PowerEdge M710 - Manual (Page 8)

6
Getting Started With Your System
Turning On the System
Press the power button on the enclosure. The power indicator should light.
NOTE:
Once you have connected the system to the power supplies, there may
be a minimal delay before you can turn on your system.
Turning On the Blades
Press the power button on each blade, or power on the blades using the
systems management software.