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In Windows 7 how can I automatically dimm the display when I press the energy save button of my laptop. I do not find a setting for this to this explicitly when pressing the button.

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up vote 1 down vote accepted

What model of laptop? There is always a utility or driver for the laptop keyboard to make the specials keys work, check if you have the right one.

On most laptops, to adjust the display luminosity you have to hold Fn + one of these keys:

alt text

For you it's the Power Smart Utility (from Acer website) :

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I have a acer aspire 5738Z – bitbonk Dec 1 '09 at 20:09
This one is for your Acer model. – user8228 Dec 1 '09 at 20:43

You can try setting energy save button as hotkey for DimScreen. If you want a different approach then you can try DimSaver as default screensaver and make your energy save button to launch your screensaver if possible.

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Go to Power Options and you can change settings for a particular power plan.

alt text

There you can adjust the brightness for a given plan. I presume that your energy save button has the effect of changing the power plan.

alt text

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