I'm using Ubuntu 12.04 on a Toshiba Satellite P775-S7100. The keyboard backlight was working initially, but after reinstalling the same version of Ubuntu it stopped working, and as far as I can tell, it doesn't interact with Ubuntu at all. Is there any way to fix this short of reinstalling Ubuntu again?
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1This doesn't make sense. I mean, if you installed the exact same version, it should be worked. Is your system up to date? Maybe, on old installation, you used any extra configuration about backlight ?– NickTuxJun 13, 2014 at 3:32
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The first time I installed Ubuntu it worked fine by default, so I expected it to after I reinstalled too. It's possible something in the hardware broke around when I reinstalled.– redstonerodentJun 14, 2014 at 20:15
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