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

[Christoph Bier]

Jay Brooks schrieb am 09.03.2010 10:21:

> Sounds like the acpi module isn't working right.  Try without
> acpi in the boot.  There is a lot of chatter on git (linux
> kernels ) about this very thing, there is no standard way to talk
> to backlights.  It wasn't a big problem until the recent adoption
> of so many laptops. I am sure it is correctable though.

With acpi=off I can't get brightness low enough to make it appear.
Maybe that's the same reason why the problem does not occur with
Vista ...

Best
Christoph
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