Public bug reported:
I upgraded an old HP laptop with Intel 965GM (X3100) graphics from a
previous non-Wayland Ubuntu version to 24.10 which is using
GNOME/Wayland. The display is correctly blanked and locked according to
the timeout set in gnome-power-manager but is not turned off completely
- the backlight is left on, both wasting power and accumulating hours
which degrades the backlight.
XWayland does not offer a DPMS extension so there's no way to use
traditional settings and tools to turn off power to the display, or any
apparent alternative to gnome-power-manager for this purpose.
gnome-power-manager version is 3.32.0-2build2 according to dpkg.
** Affects: gnome-power-manager (Ubuntu)
Importance: Undecided
Status: New
** Summary changed:
- Laptop LCD backlight left on when screen turns off in 24.10
+ LCD-equipped laptop backlight left on when screen locked/blanked in 24.10
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Packages, which is subscribed to gnome-power-manager in Ubuntu.
https://bugs.launchpad.net/bugs/2093278
Title:
LCD-equipped laptop backlight left on when screen locked/blanked in
24.10
Status in gnome-power-manager package in Ubuntu:
New
Bug description:
I upgraded an old HP laptop with Intel 965GM (X3100) graphics from a
previous non-Wayland Ubuntu version to 24.10 which is using
GNOME/Wayland. The display is correctly blanked and locked according
to the timeout set in gnome-power-manager but is not turned off
completely - the backlight is left on, both wasting power and
accumulating hours which degrades the backlight.
XWayland does not offer a DPMS extension so there's no way to use
traditional settings and tools to turn off power to the display, or
any apparent alternative to gnome-power-manager for this purpose.
gnome-power-manager version is 3.32.0-2build2 according to dpkg.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/2093278/+subscriptions
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