Hoary - enabling hibernate mode

[Daniel Robitaille]

> > I tried it - my screen just went black (I have a normal desktop
> > computer). I waited for a while and then pressed Enter - nothing
> > happened. Then I pressed Esc, Ctrl + Q, Del, ... finally I had tried
> > every key on my keyboard and the screen still stayed black. Then I
> > reseted my PC and the trial was over. Sorry, but can't tell you how
> > hibernate works :-)
> 
> Hibernate works by saving the state of the system and then powering it off.
> If it is successful, the system will shut down completely and power off, and
> resume when you power it on again.

so obviously it didn't work for my desktop :)

After the hibernate, the computer was still on, but the screen blank. 
A hard reboot gave me a normal reboot.  Since I don't need to
hibernate, I don't really care about that issue on this particular
machine.