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**2puO4Rhf** · 09-20-2007, 01:07 PM

If you're using an LCD screen, going black actually uses more energy. The LCD backlight is always on, and it requires additional (although minimal) power to then block the backlight from passing through.

Doesn't LCD uses less energy than a CRT?

09-20-2007, 01:07 PM	#5
2puO4Rhf Join Date Oct 2005 Posts 424 Senior Member	If you're using an LCD screen, going black actually uses more energy. The LCD backlight is always on, and it requires additional (although minimal) power to then block the backlight from passing through. Doesn't LCD uses less energy than a CRT?
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