Public bug reported:
The keys marked for brightness control on the keyboard are supposed to be Fn+F5
(down) and Fn+F6 (up).
But pressing them does not have any effects.
Volume control keys Fn+F1 (off), Fn+F2 (down), Fn+F3 (up) all do work, and KDE
shows appropriate indicators when they are pressed.
I know this is a popular problem with Lenovo laptops.
I use Ubuntu 21.04 Hirsute on built-in NVMe, but Ubuntu 20.04 booted from USB
flash drive also does not allow me to control screen brightness.
Hardware and OS information will be collected on Apport request and attached
here.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1907308
Title:
screen brightness up/down keys not working in LENOVO IdeaPad 5 15IIL05
Status in linux package in Ubuntu:
Incomplete
Status in xorg package in Ubuntu:
New
Bug description:
The keys marked for brightness control on the keyboard are supposed to be
Fn+F5 (down) and Fn+F6 (up).
But pressing them does not have any effects.
Volume control keys Fn+F1 (off), Fn+F2 (down), Fn+F3 (up) all do work, and
KDE shows appropriate indicators when they are pressed.
I know this is a popular problem with Lenovo laptops.
I use Ubuntu 21.04 Hirsute on built-in NVMe, but Ubuntu 20.04 booted from USB
flash drive also does not allow me to control screen brightness.
Hardware and OS information will be collected on Apport request and attached
here.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1907308/+subscriptions
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