[ubuntu-za] IBM R61 notebook screen dim's over time

Morgan Collett morgan at ubuntu.com
Mon Feb 2 09:15:21 GMT 2009


On Mon, Feb 2, 2009 at 10:56, Michael <milegrin at gmail.com> wrote:
> Greetings
>
>  I have weird one regarding the LCD screen on my notebook screen.
> Over time, the screen brightness dim's - usually after reboots or
> hibernations.
>
>  I know that Ubuntu has a power saving function where it dim's the
> backlight of the screen to save power - especially when running on
> battery and it seems to visually recover when I plug power back in but
> eventually the screen gets so dim I can bearly see the display.
>
>  Thus far the only way to fix it is to boot back into M$ Vista,
> shutdown and boot into Ubuntu and the screen returns to its usual
> brightness only to start fading again.  I have scavenged through all
> the configs and Googled but can't seem to find an option or setting to
> correct this.  I have turned all screen related power saving functions
> off and anything even vaguely related to no avail.
>
> Ubuntu 8.10
> IBM R61 notebook
> Using a ASUS VW192T 19" external LCD screen in dual screen setup
> (extended desktop)
> Compiz is installed but off
>
> michael at milegrin:~$ sudo vpddecode
> # vpddecode 2.9
> BIOS Build ID: 7LETB7WW
> Box Serial Number: XXXXXXXX
> Motherboard Serial Number: VF0YA76H1DV
> Machine Type/Model: 77321EG
> michael at milegrin:~$ uname -a
> Linux milegrin 2.6.27-11-generic #1 SMP Thu Jan 29 19:24:39 UTC 2009
> i686 GNU/Linux
> michael at milegrin:~$ cat /etc/lsb-release
> DISTRIB_ID=Ubuntu
> DISTRIB_RELEASE=8.10
> DISTRIB_CODENAME=intrepid
> DISTRIB_DESCRIPTION="Ubuntu 8.10"

What graphics adaptor does it have?

Regards
Morgan



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