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LCD Brightness


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#1
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Is there anyway to change my laptop's lcd brightness? I have a Toshiba Satellite A105-S4114, and when using OSX my battery dies quickly because of the brightness being all the way up. Is there any way to lower the brightness?

#2
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*bump*

#3
~pcwiz

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Check your laptop manual. You probably have to press some key combo to change brightness.

#4
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Fn+F6 or Fn+F7..... That's how I change my brightness. But in OS X that does nothing... Any other suggestions? Has anyone else gotten screen brightness in OS X?

#5
mac.nub

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Fn+F6 or Fn+F7..... That's how I change my brightness. But in OS X that does nothing... Any other suggestions? Has anyone else gotten screen brightness in OS X?

May be different for yours, but on mine Fn and the down arrow decreases brightness, Fn and the up arrow to increases it.

~mac.nub

#6
gmodfan

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i was lucky i can still press fn+Up arrow ect and it all still works

#7
~pcwiz

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Just an idea but maybe set the brightness to the desired amount in Windows or some OS that works with that and then boot back into OS X.

gmodfan,

Stop tricking people into getting you a free iPhone with that Click here link in your sig.

#8
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Still nothing.... do i need a special kext file or something?

#9
mac.nub

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No, has always worked out of the box for me.

Can't think of anything else to suggest :rolleyes:

~mac.nub

Still nothing.... do i need a special kext file or something?



#10
J_Zar

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No, has always worked out of the box for me.


I've the same issue.
Sony Vaio Vgn-n21s with GMA 950.
I can manage brightness in another OS but Mac ignores the hardware value and set brightness to the top. Someonedoes know how to adjust it?

#11
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Anyone have any info?

#12
~pcwiz

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Maybe theres something in System Preferences under Displays that lets you do something :)

#13
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Nope, there is no brightness option? Any more ideas?

#14
Cyp

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Same for me on my Samsung r55 Aura Clayton. No Options for changing brithness in OSX. But during booting when the white screen with apple logo appears i can change brithness.

What's your OSX Version?

#15
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I have OS X 10.4.10. I also have Vista, and in Vista I needed to install a program from Toshiba to change my brightness. Besides OS X and Vista, I have Ubuntu installed, and in Ubuntu my brightness is also changable. Has anyone been able to change the brightness on a laptop in OS X?

#16
Nitramusa

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http://www.versiontr...fo/macosx/31515

The software is called Shades, i use it too on my Acer laptop with OS X :( Im amazed that nobody else heard about this program..
It's a very handy program to change brightness settings...

Hopefully i helped you!

Cheers,
Nitra

#17
Cyp

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But shades won't help you to save your power. It adds just a dark overlay to your screen...

#18
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But shades won't help you to save your power. It adds just a dark overlay to your screen...

Exactly. I downloaded shades, and it's a nice program, but will it save battery life, which is my main concern?

#19
Nitramusa

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Yeah logically it will save battery life ;)

#20
J_Zar

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Sorry to say black... But Shades does not help battery life. It uses a black overlay but the lcd brightness is always set to the top. This is the reason for having 1000 threads about lcd brightness not working.

The real problem is gma950. This driver is build for mac-mini, and mac-mini has not a laptop lcd....!
The AppleFrameBuffer seems to override the brightness value every sync.

We need a patch to gma950 and I actually am not able to write it. :blink:





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