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Windows 7: Screen Brightness

05 Nov 2009   #1
jons7888

windows 7
 
 
Screen Brightness

hi, i hope you guys can help me with this.....i upgraded to windows seven and love it. there has only been one big problem....when i unplug my dell inspiron 1720 laptop the screen dims significantly.....and the button on my lap top wont make it brighter. When i click the battery button "adjust plan brightness" is up all the way for running on battery.....any help....i use it alot not plugged in school and its way to dim to use like this...
JOHN


My System SpecsSystem Spec
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05 Nov 2009   #2
LPDad

Windows 7 Ultimate x64
 
 

The first step would be to see if there any Win7 drivers for your computer.
I did not see any .... Yet...Maybe the vista 32 drivers will work for now.

Drivers & Downloads
My System SpecsSystem Spec
05 Nov 2009   #3
zx81

Windows 7 Home Premium x64
 
 

Quote   Quote: Originally Posted by jons7888 View Post
hi, i hope you guys can help me with this.....i upgraded to windows seven and love it. there has only been one big problem....when i unplug my dell inspiron 1720 laptop the screen dims significantly.....and the button on my lap top wont make it brighter. When i click the battery button "adjust plan brightness" is up all the way for running on battery.....any help....i use it alot not plugged in school and its way to dim to use like this...
JOHN
Hello jons7888,

Easy solution to your problem. I also have a Dell Inspiron 1720.

Goto Start -> enter power plan -> select from the menu-> choose a powerplan

Select High Performance
Change the slider from Screen Brightness to HIGH

This made it work correctly for me.

Have a nice day! And feel free to ask any questions left.

zx81
My System SpecsSystem Spec
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05 Nov 2009   #4
prodgod

Win 7 HP 32-Bit
 
 

I have an Inspiron 1721 (basically the same) and have never had a problem with it. What I usually use if I want to make the screen brighter or darker is holding the "Fn" key and then tapping the up or down key on the keypad. This has always worked for me. Never had a problem with screen brightness since I upgraded to 7.
My System SpecsSystem Spec
05 Nov 2009   #5
jons7888

windows 7
 
 

none of these helped, any other suggestions.....the bar says my brightness is all the way up
but its not bright when unplugged
My System SpecsSystem Spec
05 Nov 2009   #6
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Maybe a good pair of glasses will help. You may have macula degeneration. LoL
My System SpecsSystem Spec
06 Nov 2009   #7
zx81

Windows 7 Home Premium x64
 
 

Quote   Quote: Originally Posted by jons7888 View Post
none of these helped, any other suggestions.....the bar says my brightness is all the way up
but its not bright when unplugged
So to be sure: Your Fn key and the brightness key (arrow up) together are not working?

zx81
My System SpecsSystem Spec
14 Nov 2009   #8
djlysuc

Windows 7 + Ubuntu 9.10
 
 

I have the same problem with a Vostro 1700. Power Plan set to High Performance with brightness bar to maximun, but screen dims considerably when you inplug the mains.

Anyone found a solution?
My System SpecsSystem Spec
15 Nov 2009   #9
Pieterr

Windows 7
 
 

I have the exact same problem with my Dell Vostro 1500.

Screen brightness adjustment works normal when attached to the power adapter.
On battery the maximum brightness is only 6/8 of maximum, although it says in the configuration screen that the brightness is maximal. So Windows 'thinks' the screen is brighter than it is.

I have done a clean install of Win 7 Ultimate en downloaded the newest drivers of the mainboard and video.

Any suggestions?
My System SpecsSystem Spec
28 Nov 2009   #10
brian0618

Vista
 
 
Brightness on high performance

I had the same problem. You can fix it in the BIOS setup. Within the bios setup, select Video and there will be an option to adjust brightness. There you can set the maximum brightness both for AC and battery power.
My System SpecsSystem Spec
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