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peepingtom: Thanks, that screen brightness fix worked for me. I don't hear any of the buzzing noise you mentioned.

caesium5: I am just using the driver packaged by ubuntu under...

caesium5, I have a T410 with nvidia NVS 3100, running karmic 9.10. I have investigated two driver options:

open source nv driver: works to the extent this driver should (eg 2D only, no desktop...

I am having this problem too, since activating the nvidia proprietary drivers. Brightness worked fine before I did so.

I would also like to know the answer to this question. Have you made any progress Naegling?

Oops, I have to qualify my previous statement slightly: it works perfectly for nwn.

I just turned beryl back on (I use metacity when running nwn) and it doesn't like using the old mesa. The screen...

Hey thanks!

This worked perfectly for me. I was too scared to fool around with downgrading (it's bad enough that upgrading sometimes breaks things) until hearing that it can be done successfully....

There appears to be another thread on the issue: check here

(Not that there is a solution there yet...)

I too am having this trouble (the lighting is extremely exaggerated). It was fine before upgrading to feisty.

According to this bug it appears as though it might be a mesa problem. I'm not sure if...