Minibook X Keyboard backlight turns off after a few seconds (solved)

[kaznelson]

Please tell me, is it possible to share files for this serial number?
ZMinBXHY4H240202077

I have a different BIOS version:
DNN20A V2.03 x64 from 12/28/2023

And the archive contains version:
DNN20 V2.19