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How to get rid of NVIDIA PowerMizer?

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http://askubuntu.com – I've been trying to turn off nvidia PowerMizer (that is set the performance level to 2 - max). I can do it with nvidia-settings, but it goes back to default after restart. Here's what I have tried: nvidia-settings as root - saving settings to xorg.conf and ~/.nvidia-settings-rc adding'options nvidia NVreg_RegistryDwords="PerfLevelSrc=0x2222"' to /etc/modprobe.d/nvidia.conf - nothing happened adding Option "RegistryDwords" "PowerMizerLevel=0x2" "PowerMizerLevelAC=0x2" to xorg.conf under device section : gdm did not start up - had to delete xorg.conf to recover adding Option "RegistryDwor (HowTos)