If Suspend does not succeed, an alert window will pop up and more information about the failure will be displayed in the console window.
Select Cancel.
If you have not already saved your work, do so now.
Look in the Console window for more information.
You may be able to take corrective action.
Try Suspend again.
If Suspend succeeds, the system will save your activities and the system will power off.
If Suspend does not succeed, the alert will pop up again.
Save your work if you have not already done so.
Select Power Off.
Your work will not be saved. When you power on again, the system will reboot.
Select Continue.
Save your work if you haven't already done so.
Turn the power off after halting the system.
See "Changing the System Configuration" and Steps 2 through 4 of "Recovering From a Hung System".