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#1 2006-11-23 17:20:44

festgreifaah
Member
Registered: 2006-06-12
Posts: 51

[solved] Adjusting display brightness

How can I adjust the brightness of my laptop display?

Does this depend on the manufacturer or is there a way to do it for all laptops?

Btw, I have a Samsung laptop.

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#2 2006-11-23 22:30:05

Romashka
Forum Fellow
Registered: 2005-12-07
Posts: 1,054

Re: [solved] Adjusting display brightness

try ddccontrol from AUR


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#3 2006-11-24 10:43:11

festgreifaah
Member
Registered: 2006-06-12
Posts: 51

Re: [solved] Adjusting display brightness

I tried ddccontrol, but it doesn't work.

Without loading i2c-dev module nothing is detected.

When I load i2c-dev, ddccontrols detects a "VESA standard monitor". But without DDC/CI support.

It also tells me to load my framebuffer driver, but I don't know how to do this or which driver to load.

My graphics card: Geforce Go 7400.

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#4 2006-11-24 11:30:33

Romashka
Forum Fellow
Registered: 2005-12-07
Posts: 1,054

Re: [solved] Adjusting display brightness

Either your display doesn't support DDC or ddccontrol-data has no info for your display.
You may change brightness using nvidia-settings (X Server Color Correction page) but this is a hack. This will change brightness of video output from videocard, not the brightness of display. Why does your laptop not has some key or shortcut for changing brightness?


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#5 2006-11-24 18:37:30

festgreifaah
Member
Registered: 2006-06-12
Posts: 51

Re: [solved] Adjusting display brightness

There are several function keys to control different things, but with Linux not all of them work.

Changing volume and adjusting display brightness don't work.

I can turn off the touchpad or go into standby (although stand by is not recommended since wake up doesn't work).

I don't know why some things work and some don't.

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#6 2006-11-24 19:11:43

Romashka
Forum Fellow
Registered: 2005-12-07
Posts: 1,054

Re: [solved] Adjusting display brightness

Maybe this page will help you: http://tuxmobil.org/samsung.html wink


to live is to die

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#7 2006-11-24 23:08:10

Snowman
Developer/Forum Fellow
From: Montreal, Canada
Registered: 2004-08-20
Posts: 5,212

Re: [solved] Adjusting display brightness

Try keytouch in community repo.

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#8 2006-11-27 09:30:26

festgreifaah
Member
Registered: 2006-06-12
Posts: 51

Re: [solved] Adjusting display brightness

Thanks for your suggestions.

I contacted the person, who wrote a report on tuxmobil.org.

He told me that adjusting display brightness doesn't work in X but works in console mode.

Problem solved.

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