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How to turn the keyboard back-light off for sony-vaio laptop. I have tried most of the methods described on the forum but to no avail.
My laptop is sony-vaio SVE15117FNB. And I am using Ubuntu 14.04.2 LTS Trusty.
xset led 3
xset -led 3
Open terminal and try this:
xset led off
If that doesn't work get this.
References:
Question from the past.
Sony Support Answer
xset led 3
to turn the backlight on andxset -led 3
to turn the backlight off.