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I've installed Ubuntu 13.10 today on my ASUS N56VZ-S4215H, and encountered some issues;

Some of my function keys don't work, screen brightness, turn off screen and, sleep DO work (Screen brightness does NOT give me the slider I should get on my screen). However, my keyboard backlight, volume controls and the rest do NOT work.

In some of my earlier installs they all worked fine. I don't recall doing anything different this time round to get some of these issues. Is there some way to fix this or do I need to do yet another install and hope for the best?

EDIT 1: They work perfectly fine while I run the Live OS from the USB, which I find odd.

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