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Make sure the power cord is firmly plugged into the wall outlet.
Open the main power switch cover, and then push the main power switch.
The main power indicator goes on.
After you switch the main power on, a screen may appear to indicate that the machine is initializing. Do not switch the power off during this process. Initialization takes about 9 minutes. However, the time for initialization may differ depending on which options are installed on the machine.
If the machine does not turn on even if you press the main power switch, open the left mainframe front cover and make sure that the AC power switch is turned on. For details about the AC power switch, see "Dos and Don'ts", Maintenance and Management.
