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I have debian 9 installed on my hp spectre x360, and the keyboard backlight used to turn on and off when I hit the 'f5' key, but now the light is unresponsive and remains off no matter what I try. I'm not sure why this happened.

I have tried:

sudo xset led 3

But this does not turn on the backlight. Is there something else I should try?

Edit: I have even reformatted and installed windows 10 and then reformatted again and put debian 9.0 on, but the key still won't toggle the keyboard backlight anymore.

protected by Community Feb 15 at 15:56

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