[ltp] [X200s]: Left side of the screen is considerably darker

Robert Tomsick linux-thinkpad@linux-thinkpad.org
Tue, 09 Mar 2010 09:39:20 +0000


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On Tue, 2010-03-09 at 10:03 +1030, Andrew Mason wrote:
> On Tue, Mar 9, 2010 at 12:03 AM, Christoph Bier <christoph.bier@web.de> w=
rote:
> > Hi,
> >
> > on Saturday I found that the left side of the screen of my X200s is
> > considerably darker than the right when on low brightness (half and
> > less of brightness). This does not occur on Windows Vista! I tried
> > to take a picture of it but failed. Any idea what's going wrong here?
> >
> > Ubuntu 9.10
> > BIOS 3.11 (installed some weeks ago)
> > Kernel 2.6.30
> > TBH I don't know if I ever installed thinkpad-acpi on my own. How
> > can I determine whether I did or the version of thinkpad-acpi,
> > respectively?
> >
> > Best
> > Christoph
>
> I get this as well on my X200.

Just to add a differing datapoint: I did *not* notice any such effect
when running both Debian Lenny (with both the stock kernel and 2.6.32.9)
and Ubuntu 9.04 (stock kernel and 2.6.33) on my X200s.

-Rob

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