Could not complete kernel testing since the video card driver didn't like the 
new kernel.
The resolution was incorrect.
I am a nub and didn't know how to correct.
Going back to old kernel fixed the problem.
linux-image-3.15.0-031500-generic_3.15.0-031500.201406081435_amd64
linux-headers-3.15.0-031500-generic_3.15.0-031500.201406081435_amd64

I should add I had to do the following to fix the screen back light on
13.10 and 14.04:

1) Go to Nvidia settings and save config into xorg.conf (the file will be at 
/etc/X11)
2) In xorg.conf in the "Device" section for your GPU add (use sudo to edit with 
your favorite editor)
        Option "RegistryDwords" "EnableBrightnessControl=1"
3) restart X and brightness works or reboot


** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

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https://bugs.launchpad.net/bugs/1327828

Title:
  [Asus G53JW] Cannot change keyboard backlight brightness

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