Samsung NP900X4C Ubuntu 14.04
First I turned off Secure boot and UEFI, so it wouldn't brick my laptop, but that should be fixed in latest kernels. Installed Ubuntu 14.04 64bit. Almost everything works. 1) Fn-keys Get the Fn-keys to work: sudo apt-add-repository ppa:voria/ppa sudo apt-get update sudo apt-get install samsung-tools xbindkeys-config Then I run: samsung-tools-preferences 2) My USB 3.0 ports didn't work. So I fixed it by editing /etc/default/grub sudo gedit /etc/default/grub Change line GRUB_CMD_LINUX_DEFAULT="quiet splash i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 i915.lvds_downclock=1 pciehp.pciehp_force=1samsung-tools-preferences pciehp command makes usb ports work, and i915 stuff downclocks the graphics so it would take less energy. 3) Brightness - On startup brightness is full, and is so brighter than sun. I fixed it by installing a program and running a command on startup. sudo apt-get install xbacklight Run Startup Applications and create new ap