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Uninstall the proprietary NVIDIA drivers and disable the use of the nouveau drivers. Open a terminal and execute : sudo apt-get install gksu gksudo gedit /etc/default/grub Add nouveau.modeset=0 to the line GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" so that it reads GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nouveau.modeset=0". Save changes and ...


My T460s shipped with the graphics memory turned down to 256MB in the BIOS setup. Go in there and crank it up to 512. When I did that, the UI sluggishness I experienced went away.


I suggest updating to latest-ish kernel. I also had to add "intel_pstate=no_hwp" to my grub cmdline


Same issue here on Asus Zenbook Pro UX501VW (same GPU and CPU, Ubuntu 16.04). After I changed "quiet splash" in grub to acpi_osi=! acpi_backlight=native idle=nomwait the fan stopped spinning like mad and integrated GPU seems to work. But now the system fails to shutdown normally and also hangs on executing glxinfo command. Actually I don't quite understand ...

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