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Windows 7: Can't properly adjust screen brightness.

29 Dec 2011   #1
Jemeh

Windows 7 Ultimate x86
 
 
Can't properly adjust screen brightness.

Hello.


Please forgive me in advance for some of my spelling / grammar mistakes as English is not really my first language. Even so, I will try to make this post as clear as possible.

So here is my problem. I have an Acer Aspire 4540 laptop that I recently repaired after laying in my closet with a broken display for some time. So I took it to a repair center and got my new 14' LED display installed. Everything on my laptop is working fine, even my screen is working fine. The only issue I've noticed is that when I try to increase or decrease my screen brightness it cycles between the max and min settings rather than dimming or brightening respectively.

Now, I know I've had this issue before but I can't remember if it was already like this before the screen broke. I have tried rolling back, uninstalling and reinstalling my drivers several times yet the issue is still there.

Im running on Windows 7 Ultimate x86 and my graphics card is an ATI Radeon HD4200.

I know this is a small issue but I need to fix it since I spend a lot of time in front of my laptop.


Thanks in advance for your help.


My System SpecsSystem Spec
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29 Dec 2011   #2
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Welcome aboard, Jemeh
You may have a look at this .... it may help you .

Display Color Calibration
My System SpecsSystem Spec
29 Dec 2011   #3
Qdos

 

There's a handy little freeware program called Quick Gamma, which (if it works for you) should be set to fire up with Windows and it's usually capable of taming wayward displays...

QuickGamma
My System SpecsSystem Spec
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29 Dec 2011   #4
Jemeh

Windows 7 Ultimate x86
 
 

Thanks for your replies Arc and Qdos.

I followed both ways described in your replies but the problem isn't really in my color settings but in the intensity of the backlight on the screen itself.


Again, thank you for your help
My System SpecsSystem Spec
30 Dec 2011   #5
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Is there any button on your laptop that controls your laptop's monitor setup ?
My System SpecsSystem Spec
30 Dec 2011   #6
rustberger

Windows 7 Ultimate x64 sp1
 
 

My System SpecsSystem Spec
04 Jan 2012   #7
Jemeh

Windows 7 Ultimate x86
 
 

Hi again, sorry for taking so long to reply.

Quote:
Is there any button on your laptop that controls your laptop's monitor setup ?

Yes I can set it up with FN+(Right or Left arrow keys). It used to work before but whenever I try this right now it my screen switches between max and min brightness with no in-betweens.


Quote:
how about this.

Elite Freeware: Quickly dim your screen with DimScreen


Thanks I actually tried DimScreen but it actually darkens my screen colors rather than dimming it's backlight.

I think this might be a compatibility problem with the new screen. If you guys can come up with a solution for this I'd be extremely grateful. My screen is drying my battery AND my eyes out.

Thanks for your help everyone.
My System SpecsSystem Spec
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 Can't properly adjust screen brightness.




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