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 Posted: Sat Oct 25, 2008 7:20 am Post subject: Mandriva One 2009 - Laptop Screen Brightness |
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Hi,
I installed Mandriva One 2009 on my Dell Inspiron 6400 laptop. The display adapter is an Intel 945 GMA and the native resolution is 12800 x 800. The laptop has 1 GB RAM.
The problem is the screen brightness reduces to about 20% every five minutes and I have to keep increasing it using the Fn Key. This is a major irritation. Has anyone any solution for this problem?
regards,
~Bala
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pbs01
Joined: 31 Aug 2008
Posts: 28
Location: Pondicherry/Bangalore, India
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| Posted: Sat Oct 25, 2008 8:04 am Post subject: |
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Have you tried updating online yet?
There is an update for the xorg intel driver available.
Failing that, Try reconfiguring your graphics card and monitor in mcc and turn off 3d desktop effects. |
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scoop
Joined: 10 Oct 2008
Posts: 3073
Location: England
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| Posted: Sat Oct 25, 2008 10:23 am Post subject: |
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| Tony White wrote: | Have you tried updating online yet?
There is an update for the xorg intel driver available.
Failing that, Try reconfiguring your graphics card and monitor in mcc and turn off 3d desktop effects. |
I did the following.
1. installed the xorg intel driver update. I was not able to select just this one update and install from the urpmi so i downloaded the file, x11-driver-video-intel-2.4.2-7.1mdv2009.0.i586.rpm and installed it. Seriously, why am I not able to select the updates I want to install?
2. In MCC,, I changed the type of monitor to Dell Flat Panel 1280 x 800 and turned off Compiz.
Even after this, the problem exists 
The worst part is the display brightness reduces when I log in itself and from then on I have to keep increasing it every few minutes.
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pbs01
Joined: 31 Aug 2008
Posts: 28
Location: Pondicherry/Bangalore, India
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| Posted: Sat Oct 25, 2008 11:03 am Post subject: |
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As far as I know, around the energy options there is a option to make screen darker at every x minutes, so, I believe this option it's doing half of the work.
Why don't you try to change this feature and see what happens? |
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The Techie
Joined: 15 Oct 2008
Posts: 660
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| Posted: Sat Oct 25, 2008 11:22 am Post subject: |
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| The Techie wrote: | As far as I know, around the energy options there is a option to make screen darker at every x minutes, so, I believe this option it's doing half of the work.
Why don't you try to change this feature and see what happens? |
Ok, I have done that. I disabled all the power saving features. Still no success.
I noticed something strange. Whenever I go to the Power Save Settings from the battery plasmoid and click Ok even without making any changes, the display is dimmed.
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pbs01
Joined: 31 Aug 2008
Posts: 28
Location: Pondicherry/Bangalore, India
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| Posted: Sat Oct 25, 2008 11:33 am Post subject: |
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Try installing kpowersave in the repos and if it does the trick, You should file a bug report against kde4powersave.
(kde4powersave will be uninstalled.)
After that, I would try a newer kernel version. |
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scoop
Joined: 10 Oct 2008
Posts: 3073
Location: England
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| Posted: Sat Oct 25, 2008 1:46 pm Post subject: |
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| Tony White wrote: | Try installing kpowersave in the repos and if it does the trick, You should file a bug report against kde4powersave.
(kde4powersave will be uninstalled.)
After that, I would try a newer kernel version. |
Ok, I installed kpowersave and so far everything looks good. I tried adding the power save plasmoid to the desktop and no issues there too.
Thanks a lot for the suggestion. Could you please tell me how to file a bug?
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pbs01
Joined: 31 Aug 2008
Posts: 28
Location: Pondicherry/Bangalore, India
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| Posted: Sat Oct 25, 2008 2:02 pm Post subject: |
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Mandriva bugzilla is here :
https://qa.mandriva.com/index.cgi
kde bugzilla is here :
https://bugs.kde.org/createaccount.cgi
I think reporting it to Mandriva would be the right thing to do and they may pass on to kde but I don't know.
There may be an open bug for this because I can remember Adam recommending this solution to someone (I think.)
In that case, Just put a comment on the open bug report confirming the bug and your system specs. |
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scoop
Joined: 10 Oct 2008
Posts: 3073
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| Posted: Sat Oct 25, 2008 2:46 pm Post subject: |
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I searched through the bugs and figured out the one which is most compatible with the issue I had. I had left a comment there with my hardware details.
The bug is at https://qa.mandriva.com/show_bug.cgi?id=45080
@Tony & Techie, thanks for your help 
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pbs01
Joined: 31 Aug 2008
Posts: 28
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| Posted: Sat Oct 25, 2008 3:04 pm Post subject: |
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Cool to here you're sorted.
When 4.2 is out, I'm guessing there won't be this issue.
Glad I could help.  |
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scoop
Joined: 10 Oct 2008
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| Posted: Sat Oct 25, 2008 3:35 pm Post subject: |
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| Glad you solved the issue! |
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The Techie
Joined: 15 Oct 2008
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| Posted: Thu Oct 30, 2008 11:19 pm Post subject: |
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| I tried everything in this topic and the final suggestion worked as well. Installing the power management utility has also resolved my problem with the brightness resetting every 15 or so minutes. |
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Quall
Joined: 28 Oct 2008
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