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Windows 7: Backlight - Decreasing backlight Level more


21 Jan 2012   #1

windows 7 64bit
 
 
Backlight - Decreasing backlight Level more

New to the forum so Hello everyone.

I understand how to turn down the level of brightness through backlight control but how do I decrease the level even further? The slider in the brightness bar is all the way down (left) yet at nights the light from backlights are too bright!

Couldn't someone please help me out?

Dimming is an option but it still doesn't decrease backlight.


My System SpecsSystem Spec
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21 Jan 2012   #2

win7hp64
 
 

let's see: there should be backlight and brightness adjustments on the monitor, plus contrast which does affect final light output somehow, plus all those except backlight should be duplicated inside video drivers on your computer and gamma on top of that. If it's a laptop then there should be some combination of Function key and arrows to adjust backlight directly. If you can't get the screen dark enough with all those controls, could be something wrong. If controls are too limited and your environment is totally dark then buy anti glare screen protector, that usually cuts the light coming out probably at least by half.
My System SpecsSystem Spec
21 Jan 2012   #3
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Did you try in the Catalyst Control Center (or the equivalent Nvidea control). Right click on the desktop. It should be in the context menu. Try to find 'Desktop colors'.
My System SpecsSystem Spec
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22 Jan 2012   #4

Windows 7 64 bit SP1
 
 

I assume this is an LCD monitor? What model? For almost all LCD displays, you can't directly control the backlight intensity. The cells in the LCD act like shutters letting backlight through in varying amounts, but they cannot completely block out the transmission of the backlight, so there will always be some light leaking through even when pure black is being displayed. In general, more expensive monitors leak through less, and there are also trade-offs in the LCD technology being used. For instance, PVA LCD panels have deeper blacks when looked at head-on but the color and intensity change depending on the angle of view. IPS panels have a very good viewing angles with little variation with angle but their blacks are not quite as deep (i.e. leak more light through).
My System SpecsSystem Spec
23 Jan 2012   #5

windows 7 64bit
 
 

Thanks a lot for the replies! I didn't expect to get replies this fast.

I have a laptop, Acer 5750g with windows 7.
Screen is a LGD0250 model.
With windows I can use the hotkeys to turn the brightness down. But i want the brightness to go more darker.
I know that there are dimmer programs to control the dim but they simply dim the brightness and not the displays back lights. Only windows can change the brightness of backlights. Like on my keyboard it's FN+left arrow to turn the brightness down. Can I change these values with registry to what I want?

Dimmer programs simply dim the colors, but at night I can clearly see that the back lights are very powerful.

Thank you all for the reply but I must've been very unclear in my explanation. I hope this helps.
My System SpecsSystem Spec
23 Jan 2012   #6

Windows 7 64 bit SP1
 
 

No, there is no way to dim the back-light.
My System SpecsSystem Spec
24 Jan 2012   #7

windows 7 64bit
 
 

except for what windows can already do...correct?
My System SpecsSystem Spec
24 Jan 2012   #8

Windows 7 64 bit SP1
 
 

As I described, Windows is probably not reducing the backlight itself but how the LCD responds to brightness, so yes.
My System SpecsSystem Spec
24 Jan 2012   #9

windows 7 64bit
 
 

thank you very much for the help. Is there anything i can do to pay you back?
My System SpecsSystem Spec
24 Jan 2012   #10

Windows 7 64 bit SP1
 
 

No, just sorry I couldn't provide a solution for you.
My System SpecsSystem Spec
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 Backlight - Decreasing backlight Level more




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