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Microsoft: Kill screensavers, not the planet

Let PCs nap...

Tags: green, environment, screensaver, microsoft

By Candace Lombardi

Published: 22 March 2007 12:10 GMT

Microsoft announced on Wednesday that people looking to save energy and reduce the environmental impact of their computer should turn off their screensavers.

A Windows Vista PC running a screensaver consumes more energy than a PC in 'sleep' mode, according to a statement from Dean DeWhitt, the director of Microsoft's Windows Kernel team. In fact, the screensaver-running PC consumes the same amount of electricity as a 100-watt lightbulb left on around the clock for one year.

That is about $80 in power that releases about 1,350 pounds of carbon dioxide emissions into the atmosphere, according to Microsoft.

Microsoft got the energy statistics on PCs from UK-based PC Pro Labs, which conducted an independent study on the energy consumption of Windows Vista vs. Windows XP computers in a work environment. Vista includes a 'sleep' mode, as do Apple computers, which enables a PC to hibernate for energy savings but also to allow users to 'awake' the monitor and machine instantly to resume use.

Microsoft said the new mode could be useful to large organisations that require users to leave their PCs running, so that security patches and updates can be applied during non-business hours.

Candace Lombardi writes for CNET News.com

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