debcrafters-packages team mailing list archive

[JackyMatt <1971434@xxxxxxxxxxxxxxxxxx>]

I have tried 24.10, and got no luck.
And then the 25.04, it works! Finally, finally, and finally, life going on.

Before 24.10, I have tried all the workarounds metioned above, but most
of them not works. (haven't tried replacing the HDMI cable).

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https://bugs.launchpad.net/bugs/1971434

Title:
  Display powersave only blanks, but does not turn off

Status in GNOME Settings Daemon:
  New
Status in Mutter:
  New
Status in gnome-settings-daemon package in Ubuntu:
  Triaged
Status in mutter package in Ubuntu:
  Triaged

Bug description:
  [ Impact ]

  On some machines when the screen blanks, the LCD backlight stays on.

  [ Workarounds (reported to work by some people) ]

  * Configure the monitor (in its own menus) to not auto-switch inputs.
  * Change from HDMI to DisplayPort cables.
  * Disable HDMI audio output.

  [ Test Plan ]

  0. Make sure you're using an LCD (not OLED) so you can see if the backlight is on.
  1. In Settings -> Power -> Screen Blank, set the inactivity period to 1 minute.
  2. Verify after 1 minute that the screen is blank and the backlight is also visibly off.

  [ Where problems could occur ]

  [ Other Info ]

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