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#1 2021-02-03 11:52:39

mass_t
Member
Registered: 2015-04-21
Posts: 15

Several problems with Lenovo Legion 5

Lenovo Legion 5 15ARH05H, AMD Ryzen 7 4800H, GeForce RTX 2060.

1) Touchpad not work fixed with 5.11.rc5.d0124.g6ee1d74-1 from Manjaro repo https://gitlab.manjaro.org/packages/core/linux511
2) `FnLock` indicator does not change after loading the kernel, but it works correctly BEFORE loading, for example, from the bios or grub.
3) If you select switchable mode for the graphics card in the BIOS and boot from AMD ATI 06: 00.0 Renoir, overwriting

/sys/class/backlight/amdgpu_bl1/brightness

does not change the display brightness. At the same time, if you select a discrete video card in the BIOS, overwriting

/sys/class/backlight/nv_backlight/brightness

changes correctly, although this does not work with the slider from the gnome. Unfortunately, in this mode, the laptop is very quickly discharged, which does not allow you to work normally on the battery.

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#2 2021-02-03 11:55:17

mass_t
Member
Registered: 2015-04-21
Posts: 15

Re: Several problems with Lenovo Legion 5

Also, brightness work correctly only on latest Ubuntu. I test this on Arch, Manjaro and Fedora, brightness not work.

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#3 2021-02-13 05:44:57

mass_t
Member
Registered: 2015-04-21
Posts: 15

Re: Several problems with Lenovo Legion 5

Any ideas?

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#4 2021-02-13 14:14:28

Lone_Wolf
Member
From: Netherlands, Europe
Registered: 2005-10-04
Posts: 8,892

Re: Several problems with Lenovo Legion 5

https://wiki.archlinux.org/index.php/Code_of_conduct - How to Post wrote:

Choose one topic per thread. Long threads are typically discouraged in the technical issue
subforums.


You start with touchpad issues, so let's make that the topic for this thread.

Have you tried https://aur.archlinux.org/packages/linux-mainline to verify whether the fix comes from the kernel or is manjaro - specific ?


Disliking systemd intensely, but not satisfied with alternatives so focusing on taming systemd.

(A works at time B)  && (time C > time B ) ≠  (A works at time C)

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#5 2021-02-23 19:15:06

Domii21
Member
Registered: 2021-02-23
Posts: 1

Re: Several problems with Lenovo Legion 5

mass_t wrote:

Lenovo Legion 5 15ARH05H, AMD Ryzen 7 4800H, GeForce RTX 2060..

Sorry for offtopic, but what's the battery life on Linux? Do you have 60 or 80Wh battery?
Your answer would be very useful to me smile

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