[tde-users] Re: IBM/Lenovo Laptop brightness issue

On Wednesday 12 November 2025 10:31:41 Dr. Nikolaus Klepp via tde-users wrote:

On my test laptops with AMD I cannot increase the brightness to > 50% when I dimmed it to < 50%. When on 0% it can only be increased to ~ 5%. I think it also affects newer intel models > T480, but I'm not sure.

Here's what I can observe:

Lenovo Thinkpad X390 / i7; MX Linux 23.6 / TDE R14.1.5 Fn + F5/F6 can decrease and increase the brightness without problem.

Lenovo Thinkpad P51 / MX 21.3 / TDE F5/F6 can decrease and increase the brightness without problem.

Thierry