* To maximize savings with a laptop, put the AC adapter on a power strip that can be turned off or will turn off automatically. The transformer in the AC adapter draws power continuously, even when the laptop is not plugged into the adapter.
* Set monitors to automatically switch to sleep mode when not in use, or manually turn them off. Screen savers don't reduce energy use by monitors.
* For your next computer upgrade, consider buying a laptop, which uses much less energy than a desktop.
Source: U.S. Department of Energy