Dear all who's got knowledge to do this,
please, update the nVidia proprietary driver deb packages.
Sadly my laptop's Nividia Optimus and I'm strongly dependent on nvidia-prime, nvidia-331 and their inter-dependencies and more automatized packages to solve the configurations with xrandr, dkms, initramfs and other members of the drill.
The most up-to-date package on official repositories holds the driver 331.38 officially released Jan, 13th and now (checked meanwhile posting) the drivers in a non-beta release are in the version 340.24; from 331.38 to 340.24 several GLX and EGL extensions are now supported and corrected, over and under-clock the GPUs and several other minor and major modifications that can be checked on readme available on official nVidia website.
Thanks
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