The brightness of the screen is low and don't change

Support
1

Hi.
Well that. Not just from the buttons of the laptop, also going to configuration nothing change… And is setting minimum.
Thanks.

Graphics:  Device-1: Intel HD Graphics 620 vendor: Hewlett-Packard driver: i915 v: kernel bus-ID: 00:02.0 chip-ID: 8086:5916 
           Device-2: Chicony HP Wide Vision FHD Camera type: USB driver: uvcvideo bus-ID: 1-4:3 chip-ID: 04f2:b593 
           Display: wayland server: X.org 1.20.10 compositor: gnome-shell driver: loaded: i915 
           note: n/a (using device driver) - try sudo/root resolution: <missing: xdpyinfo> 
           OpenGL: renderer: Mesa Intel HD Graphics 620 (KBL GT2) v: 4.6 Mesa 20.3.4 direct render: Yes
2

https://wiki.archlinux.org/index.php/Brightness

3

Thanks.
Somebody give me the answer here… but estrange i cant find the answer. But works. i have to do some change on boot adding some lines there.
Thanks. And sorry cant put the solution here.