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Windows 7: screen brightness problem


07 Sep 2010   #1

windows 7 professional x64
 
 
screen brightness problem

Hello!

I have a problem wtih the screen brightness on my laptop. The problem is that the screen looses brightness whenever I plug-in or plug out the charger. In the display brihtness menu I have set the maximum brightness for every power plan - just in case and in advanced options I have disabled the dimming option. But the screen still looses brightness every time I plu -in or remove the charger. So I have to change the brightness manualy every time. And when I do so, lower the brightness but the brightness actually increases and I am clueless what to do.

My System SpecsSystem Spec
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07 Sep 2010   #2

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, clean install, upgrade disc
 
 

Can you test with another charger?
My System SpecsSystem Spec
07 Sep 2010   #3
mw2

Windows 7 Professional
 
 

Do you think its a hardware problem. Or does windows recognise that the brightness has gone down?
My System SpecsSystem Spec
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09 Sep 2010   #4

windows 7 professional x64
 
 

thanks for the replies!

Today I tested it with another charger but the result was the same. The brightness goes down to a minimum everytime I plug-in or remove the charger. IE: I run it on battery and I manualy change the settings to full bright - I plug in the charger, the brightness goes down. I manualy set it to full again, I remove the charger and the brightnes goes down again...

I do not think it is a hardware problem. I suspect that windows does the changes in brightness.
My System SpecsSystem Spec
03 Oct 2010   #5

windows 7 professional x64
 
 

I have solved the problem. By setting the screen brigtness to a lower level (just one step), the adjustmen works fine.
My System SpecsSystem Spec
03 Oct 2010   #6

Windows 7 Pro. 64/SP-1
 
 

Thank you for getting back to us with the fix. It will help some other member down the road.
My System SpecsSystem Spec
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 screen brightness problem




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