I've got a similar problem and I create a bug report before see this.
How can I atach my bug report to this one?
I'm tired search to solution :(
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[Hardy]Wrong refresh rates shown/selected, nvidia driver
https://bugs.launchpad.net/bugs/219350
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Public bug reported:
I've got trouble to set correct screen resolution with my nvidia 8600.
I set the default screen resolution, 1024x768_85 but goes always to 833x666_53.
I try to use nvidia-settings to setup without sucess, but when I use it to
change to correct screen resolution works, but whe