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From: Gregory Ewing <greg.ewing@canterbury.ac.nz>
Newsgroups: comp.lang.python
Subject: Re: turn monitor off and on
Date: Mon, 16 May 2011 12:00:01 +1200
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Terry Reedy wrote:
> My monitor then displays 'No 
> signal detected' in a box and puts itself into a low-power state 
> awaiting a signal. Even if the monitor does not do that, a black screen 
> should use less power.

I'm not so sure about that. If the monitor is an LCD and isn't
doing anything to reduce its own power usage, then the backlight
is still running and using just as much power, whether the screen
is black or not.

-- 
Greg