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xbacklight not working lenovo S10

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erjoalgo

xbacklight not working lenovo S10

#1 Post by erjoalgo »

I'm trying to change the backlight via xbacklight but this is not working. Although

Code: Select all

xbacklight -set X
causes

Code: Select all

xbacklight -get
to return X, the real monitor backlight is unchanged.

The XF86MonBrightnessDown (fn+some-key) isn't working either, although it may have been working earlier.

How can I further debug this issue?

Why are the extensions ["", "txt", "text"] "not allowed" for upload?
I tried stracing the xbacklight call, I'm including the output, but I can't make anything out of it.

Is there a way to do this via xrandr or is there a lower-level way?

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