Public bug reported:
After an inactivity timeout, the screen backlight is powered off, but on
activity (mouse, keystroke, etc)
the lamp is not switched on.
In the dark screen I can barely see the login page, and if I login, with the
help of a torch I can turn the light on via the systray icon,
or via SSH from another machine writing to
/sys/class/backlight/intel_backlight/brightness
Bug is in Ubuntu 15.04 and Ubuntu 15.10
** Affects: plasma-workspace (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1505246
Title:
LCD backlight remains off
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