"In part 1, you were shown how to set up hibernate and modify the configuration scripts to make it possible to suspend your desktop to RAM. In part 2, you'll step through how to implement your changes.
"In the KDE Control Center, drill down through Peripherals, Display, to the Power Saving tab. Check the Enable Power Saving checkbox and set time for 'Switch Off Monitor.' In a non-KDE environment, find 'Display Power Management.' That's what automatically turns off DPMS when the system is idling..."