Display remains in low brightness after switching to normal mode

[Juhele]

Hi,
I set the Power management to switch to low brightness mode after some time and much later to switch to "power saving mode" (which probably means switching the display off). However I found out that after longer time when I touch the mouse or keyboard the laptop switches to normal mode but the screen does not switch to normal brightness mode (in my case 60%) but in much less - looks like the setting in low battery case. However the laptop power adapter is still plugged in. When I replug it, the laptop switches to normal brightness mode, but it is a little bit annoying (although this is minor issue).

Any idea what could be wrong?

thanks

[Snowhog]

My settings. All works as expected.

[Juhele]

thanks Snowhog, unchecking "Dim display" solved the problem.