*** This bug is a duplicate of bug 1545266 ***
https://bugs.launchpad.net/bugs/1545266
** Description changed:
- f.lux also has no effect.
- also when i try to do
- sudo echo 50 > /sys/class/backlight/acpi_video0/brightness
- then it says 'bash: brightness: permission denied'.
+ If I go to System Settings - Brightness and Lock then I can find a
+ Brightness slider input. But when I move the slider to a different
+ position, the brightness of the screens does not change.
+
+ Earlier I said f.lux does not work either. I have found that f.lux does
+ not install correctly and should not be expected to work apparently.
+ People say to get resdshift instead. I get messages from python about
+ unset
+
+ The software called redshift is able to make the screens a different
+ color, so that is good.
+
+ sudo echo 50 > /sys/class/backlight/acpi_video0/brightness
Trusty Tahr 14.04 updated to current
+
+ This status is invalid so I should not be editing it, I should be
+ editing the duplicate. Sorry about the duplicate.
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https://bugs.launchpad.net/bugs/1545264
Title:
screen brightness slider has no effect
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