Powering on a Mac Pro is a simple process that can be completed in a few steps. First, locate the power button on the back of the computer. It is a small, round button located next to the power cord. Once you have located the power button, press it once to turn on the computer.
If the computer does not turn on, there may be a problem with the power supply or the power cord. Check to make sure that the power cord is securely plugged into the computer and the wall outlet. You may also try resetting the power supply by unplugging the computer from the wall outlet and then plugging it back in.