Unable configure brightness or colors (12.04)

Posted by bux on Ask Ubuntu See other posts from Ask Ubuntu or by bux
Published on 2012-09-25T18:26:02Z Indexed on 2012/09/25 21:50 UTC
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12.04

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colors

I've make a fresh install with Ubuntu 12.04. Unfortunatly i've a problem with colors and brightness settings. Before reinstall of Ubuntu, i used Ubuntu 10.10 with same graphic card, and same nvidia drivers. Note: Only nvidia proprietary drivers works for my GeForce 8600 GTS.

Exemple:

With nvidia-settings: adjust colors, brightness: no effects
With xgamma -gamma 0.5 : no effects
Try to use f.lux or redshift: no effects

I try solutions found on internet like here but no working to.

Any idea ?

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